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Does Parkinson’s Affect Blood Sugar



Have You Come Across Advice That Those With Parkinsons Should Avoid Too Much Refined Sugar Or Perhaps Youre Aware Of New Research Linking Diabetes And The Condition We Go Behind The Headlines To Find Out What Is Actually Going On

Parkinson

Mae MuUnsplash

Over the last decade, a war on sugar has started. In March 2016 the government announced that a tax on sugary soft drinks would be introduced in the UK from 2018. At the same time, we’ve seen a gradual increase in messaging that healthy eating, particularly limiting your intake of sugar, is essential for a healthy body.

The main aim of this war is to curb a growing obesity pandemic. And while it’s too early to draw any conclusions about these initiatives on the patterns of obesity in the UK, studies have suggested that simply reducing the sugar content of sweetened beverages by 40% over five years could result in roughly half a million fewer obese adults. As our collective national waistline shrinks, the hope is we will also see a reduction in a range of health conditions from heart problems to cancer, diabetes to osteoarthritis.

Analysis Of The Relationship Between Type Ii Diabetes Mellitus And Parkinsons Disease: A Systematic Review

Fauze Camargo Maluf

1Medical Student of Centro Universitario Saude ABC, Centro Universitario Saude ABC, FMABC, Santo Andre 09060-870, Brazil

2Department of Pharmacology, Centro Universitario Saude ABC, FMABC, Santo Andre 09060-870, Brazil

3Department of Neurosciences, Centro Universitario Saude ABC, FMABC, Santo Andre 09060-870, Brazil

Abstract

1. Introduction

The prevalence of type 2 diabetes mellitus is 370 million people in the world. The T2DM is most frequent in adulthood; however, in the last years, the prevalence of T2DM is increasing in adolescents and children . T2DM is a chronic metabolic disease characterized by long-term insulin resistance and a decrease of ?-cell function and population. These factors impair insulin release and consequently cause hyperglycemia . However, genetic and environmental factors are responsible for 20% of ?-cell failure in the diabetic population .

One of the consequences of chronic diabetes is the production of toxic aggregates of the islet amyloid polypeptide . The IAPP might contribute to ?-cell dysfunction .

Parkinson’s disease affects about 1% of people over 65 and up to 4-5% of people over 85, and thus it represents the second most common neurodegenerative disorder .

The diagnosis of PD is still based on the presence of symptoms and clinical signs such as typical asymmetric manifestation, the most common finding being tremor at rest in the upper limbs associated with bradykinesia, rigidity, and gait difficulty .

3. Results

    

Are You Looking For Natural Blood Sugar Control Techniques Zinc Benefits For Diabetes Care Are Impressive

UHN Staff

Zinc benefits include promoting healthy insulin function, providing natural blood sugar control, and might even help to prevent diabetes in the first place.

I take zinc when I feel a cold coming on and find that it definitely helps to keep me from getting sick. Many people use zinc for this immune-boosting purpose, but zinc benefits can do more for your body than just that. The benefits of taking zinc include lowering your risk of heart disease, treating Parkinson’s disease, and even helping clear up acne.

As if that weren’t enough, yet another reason to love zinc is that it can be helpful for diabetes care. Zinc is highly concentrated in the islet cells of the pancreas, where insulin is produced. Zinc benefits include promoting healthy insulin function, providing natural blood sugar control, and might even help to prevent diabetes in the first place.

Diabetes A Contemporary Risk For Parkinsons Disease: Epidemiological And Cellular Evidences

  • 1Nutrition and Health Substantiation Group, Nutrition and Health Program, Health and Biosecurity, Commonwealth Scientific and Industrial Research Organisation , Adelaide, SA, Australia
  • 2Adelaide Medical School, University of Adelaide, Adelaide, SA, Australia
  • 3Cellular Neurobiology, Department of Medical Biology, Université du Québec, Trois-Rivières, QC, Canada
  • 4Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
  • 5National Institute for Neuroscience , University of Cagliari, Cagliari, Italy
  • 6Department of Psychiatry and Neuroscience, Université Laval and CHU Research Center, Québec, QC, Canada

Microglial Activation And Systemic Chronic Inflammation Increase The Risk Of T2dm And Pd

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Microglia are mononuclear, phagocytic immune cells in the central nervous system. They are normally involved in removal of damaged neurons, and they release neuroprotective factors to promote synaptic regeneration . Microglia can be activated towards either an anti-inflammatory or inflammatory phenotype. For example, microglia can be stimulated by lipopolysaccharide to enter an activated inflammatory state and express pro-inflammatory cytokines such as TNF?, interleukin 1? and IL6, triggering neuroinflammation . A study of 14 patients with PD found evidence of increased microglial activation on PET imaging . Microglial activation is a key contributor to neuroinflammation through the release of inflammatory cytokines , and patients with PD have been shown to have high concentrations of inflammatory mediators such as IL1?, IL6 and TNF? in the brain .

What Should I Do If Im Managing Type 2 Diabetes And Concerned About My Parkinsons Risk

The takeaway of the new analysis for people currently managing or caring for a person with diabetes is unclear. This specific research, for example, doesn’t illustrate how someone with diabetes may help lower their risk of Parkinson’s disease, says Dr. Cereda.

“Unfortunately, although there is some evidence that diabetes is a risk factor for developing Parkinson’s disease, there is no evidence that optimal diabetes control reduces the risk of Parkinson’s disease,” says Cereda.

Yet managing blood sugar is still essential for people with type 2 diabetes, because failing to do this increases the risk of a wide range of health problems including heart disease, stroke, and kidney failure, Cereda says. The study results suggest that we might one day add Parkinson’s disease to the long list of conditions that can be prevented at least in part by good diabetes management, Cereda adds.

Noyce agrees, emphasizing the importance of blood sugar management regardless of potential Parkinson’s risk. “There are many other negative health outcomes that are associated with type 2 diabetes, such as heart disease, stroke, nerve and kidney damage, and visual loss,” Noyce says. “These are all more common than Parkinson’s, and the risk of these things can be reduced with treatment of diabetes, modification of diet, exercise and self-care.”

Type 2 Diabetes Associated With Increased Risk Faster Progression Of Parkinson Disease

Matthew Gavidia

A study finds type 2 diabetes associated with an increased risk of developing Parkinson disease , as well as faster progression of motor symptoms in those with PD.

Patients with type 2 diabetes may be at greater risk for developing Parkinson disease , with T2D also associated with faster disease progression in those with PD, according to study findings published this week in Movement Disorders.

As 2 prevalent diseases within an aging population, prior research has highlighted the biologic similarities between T2D and PD.

“Both are characterized by aberrant protein accumulation, lysosomal and mitochondrial dysfunction, and chronic systemic inflammation,” explain the study authors. “Insulin resistance is a hallmark of T2D and may be an important contributing factor to PD, too.”

In addition to studies on the relationship between the 2 diseases, prior systematic reviews and meta-analyses have investigated whether T2D may contribute to risk of developing PD. Although findings are conflicting, the researchers note that most of these studies recruited cohorts of patients with diabetes, as opposed to T2D, with this association also not explored via modern causal methods.

In the meta-analysis, pooled effect estimates showed that T2D was associated with an increased risk of PD , a causal relationship supported by MR .

Reference

Involvement Of Oxidative Stress/mitochondrial Dysfunction In T2dm And Pd Pathogenesis

Mitochondrial proteins, when dysfunctional, produce an increase in oxidative stress and cell death . MPTP exerts its Parkinson’s-like effects in rodent models by selectively inhibiting complex I, the first enzyme in the mitochondrial respiratory chain pathway, leading to neuronal death and neurodegeneration . The features of mitochondrial dysfunction may be shared in T2DM and PD . In PD, dysfunctional insulin signalling has been found to increase oxidative stress , while a recent study showed that chronic insulin resistance in diabetic db/ db mice can cause mitochondrial disruption and dopaminergic neuronal degeneration . Studies using rodent models show that IRS1 and IRS2 inhibit FOXO1 via the PI3K/Akt pathway , resulting in dysfunctional ATP generation and fatty acid oxidation, and the generation of ROS and oxidative stress. While the exact mechanism by which mitochondrial dysfunction and oxidative stress contribute towards PD remains uncertain, its role is likely to be important in PD pathogenesis and potentially relevant to the link with T2DM.

Study Examines Connection Between Diabetes Medication And Parkinsons Disease

It was first suggested in the 1960’s that people with type-2 diabetes are at increased risk for developing Parkinson’s disease – and when they do develop PD, its progression is faster and often more severe. This may be due, in part, to an apparent relationship in the brain between dopamine, insulin resistance, and glucose control. Insulin is not only made in the pancreas, it’s also present in the brain – where it has been shown to impact dopamine levels.

Parkinson’s is generally believed by scientists to be caused by the loss of dopamine-producing neurons. Parkinson’s symptoms, such as slowness, rigidity, and tremor, typically develop after approximately 40-80% of these dopamine-producing neurons die.

Why does this matter? Currently, more than 30 million people in the United States have type-2 diabetes, and that number is growing. The lifetime risk of developing Parkinson’s is also on the rise. In light of these trends, it would be valuable to know whether any specific type-2 diabetes medications might be associated with an increased or decreased risk for developing PD.

1) Thiazolidinediones , like pioglitazone or rosiglitazone , which specifically target insulin resistance

2) Drugs, like albiglutide or dulaglutide , that mimick glucagon-like peptide-1 a hormone that promotes insulin secretion, and

3) Dipeptidyl peptidase 4 inhibitors, which increase GLP-1 levels, and lead to insulin secretion and lowering of blood sugar levels

Results

Learn More

Earlier Research On The Link Between Type 2 Diabetes And Parkinsons Disease

Some previous research has linked certain medications for type 2 diabetes to a lower risk of the development or progression of Parkinson’s disease.

A found Parkinson’s disease symptoms improved in participants who took exenatide, a diabetes drug in a family of medicines known as GLP1 agonists, and worsened when subjects took a placebo. Another , found that individuals with type 2 diabetes who took GLP1 agonists or another type of diabetes drugs known as DPP4 inhibitors had a lower risk of developing Parkinson’s disease.

Slightly elevated blood sugar or variations in blood sugar may contribute to the risk of Parkinson’s disease even in people without diabetes, according to a .

Age is the biggest risk factor for Parkinson’s disease, though, and genetics also account for up to 20 percent of the risk, Foltynie says.

RELATED: How to Keep Your Brain Healthy: A Conversation With Sanjay Gupta, MD

Links Between Insulin Resistance Metabolic Syndrome And Parkinsons Disease

Insulin resistance and metabolic syndrome are very common in the United States, but are also noted to have increased incidence in patients with Parkinson’s disease . Insulin resistance may precede the development of diabetes by many years, but with treatment, diabetes can be avoided.

Growing evidence now shows an association of insulin resistance and metabolic syndrome with worse symptoms and progression of Parkinson’s disease . Lima et al. have shown diabetes incidence in PD is associated with faster progression of both motor and cognitive symptoms.

The Association Between Type 2 Diabetes Mellitus And Parkinsons Disease

Article type: Review Article

Affiliations: Barts and The London School of Medicine, Queen Mary University of London, London, UK | Reta Lila Weston Institute of Neurological Studies, UCL Queen Square Institute of Neurology, London, UK | Department of Clinical and Movement Neurosciences, University College London Institute of Neurology, London, UK | Preventive Neurology Unit, Wolfson Institute of Preventive Medicine, Queen Mary University of London, London, UK

Correspondence: Correspondence to: Alastair J. Noyce, MRCP, PhD, Preventive Neurology Unit, Wolfson Institute of Preventive Medicine, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, UK. Tel.: +44 207 882 5841; E-mail: .

Keywords: Parkinson’s disease, type 2 diabetes mellitus, epidemiology, therapeutics, mechanisms

DOI: 10.3233/JPD-191900

Journal: Journal of Parkinson’s Disease, vol. 10, no. 3, pp. 775-789, 2020

Abstract

Insulin Dysregulation May Be Involved In Pathophysiology Of Pd And T2dm

Hb A1c and the risk of developing complications in type 2 ...

Insulin receptors are expressed in the basal ganglia and in the substantia nigra , which are the areas of the brain most affected in patients with PD. Studies using rodent models have shown that insulin resistance may cause reduced expression of surface dopamine transporters in the striatum , reduced dopamine turnover , and reduced insulin-dependent dopamine release in the striatum . 1-methyl 4-phenyl 1,2,3,6-tetrahydropyridine is a toxin that induces parkinsonism by producing oxidative stress in dopaminergic neurons, resulting in mitochondrial dysfunction and cell death, and MPTP treated rodents are one of the most commonly used animal models for PD . MPTP-treated mice have been observed to have simultaneous increases in pancreatic and midbrain expression of pro-inflammatory cytokines and ?-synuclein, hinting at potential organ-specific links between PD and T2DM .

Parkinsons Disease And The Vulnerability Of The Nigrostriatal Pathway

PD is the prototype of movement disorders. In fact, the most prominent feature of PD is the presence of motor symptoms expressed in a majority of patients as a classical triad of resting tremor, bradykinesia, and rigidity . Non-dopaminergic motor features may also arise and result in falls, freezing of gait, speech impairment and difficulty in swallowing. Accompanying motor symptoms are equally disabling non-motor manifestations, such as psychiatric disturbances, dementia and autonomic failure .

The neuropathological hallmark of PD is the progressive and relentless degeneration of dopaminergic neurons located in the substantia nigra pars compacta. Idiopathic PD still composes approximately 90–95% of diagnoses that are not always faithfully represented by genetic forms in terms of symptomatology and pathophysiology .

Despite their apparent disparity, multiple mechanisms converge to cause the degeneration of nigrostriatal neurons and possibly contribute to oxidative stress to which these neurons may be more vulnerable . This concept dates back to the 1980s , but its popularity has waxed and waned at the rhythm of discoveries; nevertheless, the idea that metabolic oxidative insults may underlie the specific vulnerability of nigrostriatal neurons has lately gained momentum .

6. Last, they are endowed with a limited calcium-buffering capacity and scanty endogenous antioxidative defenses , consequent of their low expression of calbindin and glutathione , respectively.

Common Pathogenic Mechanisms Of Systemic And Brain Insulin Resistance

As epidemiological evidence for a link between PD and T2DM accumulates, parallel experimental evidence indicates potential overlap in disease mechanisms and pathways. Systemic insulin resistance has long been an established key feature of T2DM. Recently, studies have found that insulin resistance is present in the brain in neurodegenerative diseases such as Alzheimer’s disease and other dementias , and PD . Both systemic and local insulin resistance may drive pathology in the brain. Systemic insulin resistance may do so through hyperglycaemia and its consequences , microvascular disease, chronic inflammation, and dysfunction of the blood brain barrier, which may be compounded by associated comorbidities such as hypertension, dyslipidaemia and renal impairment . Local brain insulin resistance may act via protein deposition and aggregation, and failure of clearance mechanisms, independent of systemic insulin resistance .

Metformin Linked To Increased Risk Of Dementia And Parkinsons Disease

Study finds connection between duration of therapy in senior patients and development of neurodegenerative disease.

In 2011, the Journal of Alzheimer’s Disease published the findings of a large Taiwanese study showing a protective effect against development of dementia in diabetes patients who were given oral antidiabetic agents. The cohort of over 100,000 subjects included patients over 50 with type 2 diabetes, who were free of dementia at initiation, and received either or both metformin and a sulfonylurea. The results suggested that while T2D carries a two-fold increase in the risk of dementia, use of metformin, sulfonylureas, or both can reduce the risk by up to 35% over eight years. Medscape recently reported that at AD/PD 2017 , a group of Taiwanese neurologists presented the results of their own study looking at possible risk increases for Alzheimer’s and Parkinson’s in people with type 2 diabetes, citing uncertainty about the effects of metformin on the risk of developing neurodegenerative diseases.

 

Practice Pearls:

  • Type 2 diabetes has long been understood to carry an increased risk of developing neurodegenerative diseases.
  • Until recently, metformin and sulfonylurea use in T2D has been associated with a decrease in risk for Parkinson’s and Alzheimer’s diseases.
  • A recent study suggests metformin use can increase the risk of Parkinson’s and Alzheimer’s, but there are also concerns over the validity of the findings due to study design flaws.

References:

   

How Type 2 Diabetes May Contribute To The Risk Of Parkinsons Disease

Although the analysis wasn’t designed to determine how type 2 diabetes might cause Parkinson’s disease to develop or progress, it’s possible that systemic inflammation present with type 2 diabetes may contribute to Parkinson’s disease, says Noyce.

Vascular disease that develops with type 2 diabetes may also lead to impaired blood flow to the brain that hastens the development of Parkinson’s disease, hypothesizes Emanuele Cereda, MD, PhD, of the clinical nutrition and dietetics unit at Fondazione IRCCS Policlinico San Matteo in Pavia, Italy, who was not involved in the current study.

Another possibility is that the same processes that cause diabetes also cause the nerve cell degeneration present in Parkinson’s disease, says Tom Foltynie, PhD, a professor of neurology at University College London in the United Kingdom.

In particular, insulin resistance, the body’s inability to respond normally to the hormone insulin, may be involved in both type 2 diabetes and Parkinson’s disease, says Dr. Foltynie, who also was not involved in the current research.

RELATED: Why Some Researchers Are Calling Alzheimer’s a ‘Type 3 Diabetes’

Epidemiological Evidence: Parkinsons Disease In Diabetic Patients

The first indications of a possible association between DM and PD date back to almost 60 years ago. Studies conducted in parallel showed that DM exacerbates the progression of motor and cognitive deficits in PD , and that non-diabetic parkinsonian patients present impaired glucose tolerance and hyperglycemia . Since then, these findings have been reiterated in parkinsonian patients medicated with dopamine-replacing therapy , but also in drug-naïve parkinsonian patients who still displayed higher-than-normal levels of fasting blood glucose, within the prediabetic diagnostic range . In addition, dietary habits featuring an elevated intake of high glycemic indexed carbohydrates have more recently been associated with greater odds of developing PD .

Despite the recent medical advances in teasing out the cause-effect relationship linking DM and PD, it is still unclear which of the multifarious metabolic changes that occur in DM trigger the nigrostriatal degeneration underlying PD. The two predominant lines of thought grant importance to the dimensions of defective insulin signaling and oxidative stress.

Rerouting Mechanisms: Polyol Pathway And Macromolecules Glycation

Aside from ROS generated through mitochondrial failure, hyperglycemia may trigger the onset of oxidative stress via pathways that dwell upstream the glycolytic enzyme GAPDH .

As previously discussed, free glucose is present in the cytosol of neurons and its concentrations rise during hyperglycemia leading to glucotoxicity. Under normal circumstances, hexokinase is mandated to transform available glucose into glucose 6-phosphate. However, due to substrate-mediated inhibition, in hyperglycemic conditions, it can only funnel a fraction of cytosolic glucose toward the glycolytic pathway before becoming saturated. Excess glucose is therefore consumed by other pathways and is constantly replenished by high extracellular levels. The principal compensatory outlets are the polyol pathway and macromolecule glycation which are two key pathways through which glucotoxicity manifests .

AGEs may also occur extracellularly or being directly secreted from the cells in which they are generated to induce oxidative stress and inflammation in a variety of cells . AGEs trigger oxidative stress by binding their cognate membrane receptor, the RAGE and activating downstream mediators know to induce oxidative stress, such as the inducible nitric oxide synthase . Nevertheless, despite AGEs being described for their ability to promote oxidative stress in peripheral tissues , their role in oxidative stress in PD remains to be elucidated.

Type 2 Diabetes Linked To Increased Risk Of Parkinsons Disease

Genetic data suggests there may be a direct relationship between type 2 diabetes and a higher risk of the movement disorder, as well as its progression, but more studies are needed.

Everyday Health

People managing type 2 diabetes and their doctors may need to have Parkinson’s disease on their radar, as new research sheds light on the possible connection between these two chronic health conditions.

For the review and meta-analysis, which was , researchers examined data combined from nine previous studies that followed individuals with type 2 diabetes over time to see if they developed Parkinson’s disease. They found type 2 diabetes associated with a 21 percent increased risk of Parkinson’s and with faster symptom progression. Parkinson’s causes muscle stiffness, tremors, impaired balance, and slow movement, in addition to cognitive and sleep issues, according to the National Institute on Aging.

Yet study authors could not account for the severity of participants’ type 2 diabetes, and they couldn’t determine the effect of diabetes drugs or quality of blood sugar management on Parkinson’s disease risk — two major limitations.

The research doesn’t prove that diabetes causes Parkinson’s, though researchers speculated the disease may contribute to this risk. They conducted a separate analysis of studies that identified common genetic variations present with the two conditions and found that type 2 diabetes directly increased the odds of developing Parkinson’s by 8 percent.

Bananas Also Contain Fiber Which May Reduce Blood Sugar Spikes

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In addition to starch and sugar, a medium-sized banana contains 3 grams of fiber.

Everyone, including diabetics, should eat adequate amounts of dietary fiber due to its potential health benefits.

However, fiber is especially important for people with diabetes, as it can help slow the digestion and absorption of carbs .

This can reduce blood sugar spikes and improve overall blood sugar control .

One way of determining how a carb-containing food will affect blood sugars is by looking at its glycemic index .

The glycemic index ranks foods based on how much and how quickly they raise blood sugar levels.

The scores run from 0 to 100 with the following classifications:

Low GI: 55 or less.Medium GI: 56–69.High GI: 70–100.Diets based on low-GI foods are thought to be particularly good for people with type 2 diabetes .

This is because low-GI foods are absorbed more slowly and cause a more gradual rise in blood sugar levels, rather than large spikes.

Overall, bananas score between low and medium on the GI scale .

Cellular Evidence: Neuronal Oxidative Stress In Hyperglycemia

The clinical significance of hyperglycemia emerged upon its formal identification as the prime culprit in comorbid diabetic complications Group, 1998; Gaede et al., 2008; Giacco and Brownlee, 2010). The most affected collateral targets in DM are the kidneys, the cardiovascular system and the nervous system . Despite their many functional and phenotypic differences, the cells of these systems share the distinct liability of taking up glucose in an extracellular concentration-dependent but insulin-independent manner . Indeed, mesangial and endothelial cells predominantly express the insulin-independent glucose transporter GLUT1 ; likewise, brain cells express the insulin-independent GLUTs, GLUT1 and GLUT3 with the latter being particularly abundant in neurons . Although it is clear that glucose concentrations rise in these cells under conditions of hyperglycemia, how exactly glucotoxicity-mediated cellular damage occurs is not as forthright. The current consensus is that oxidative stress may represent the principal mediator of hyperglycemia-induced diabetic complications .

Blood Sugar Control Was Going Well Until I Started Wellbutrin

Blood sugar control was going well until I started Wellbutrin… Registration is fast, simple and absolutely free so please,join our community todayto contribute and support the site. This topic is now archived and is closed to further replies. Blood sugar control was going well until I started Wellbutrin… A little background info: I’m 40, but I went through a premature menopause 3 years ago. My dr. checked my fasting blood sugar thinking I might have an auto immune problem; it was 101. I bought a meter and have found some after meal readings to be very high . I’m thin and have no history of diabetes in my family. Endo. said I tested negative for antibodies. My c-peptide was as low as it could possibly be in the “normal range”. A1c was 5.3 at the time; a few months ago, it was 5.6. I’ve been on hormone replacement therapy and noticed when I started using testosterone that my numbers were, on average, about 20-30 points lower. I’ve been able to keep my numbers below 140 the majority of the time with my diet and testosterone cream. However, my dr. put me on generic Wellbutrin 4 days ago, and my numbers have been extremely high again. Thurs. night, 2 hours after dinner, I had a reading of 185 . My fasting #s are back in the low 100s. Has anyone else experienced a spike in #s on Wellbutrin? If so, did it come back down after adjusting to the meds.? Any advice would be greatly appreciated. BTW, I’m on the lowest dose of Wellbutrin . Thanks!Continue reading >>

If You Want To Lower Your Risk For Parkinsons Drop The Cookie

We are hearing more and more about Parkinson’s disease, Especially lately after the death of Robin Williams. It has been estimated that as many as 1 million Americans now carry this diagnosis, And to put it into perspective, this is a number that is larger than the combined number of people suffering from multiple sclerosis, muscular dystrophy, and ALS.

An incredible 60,000 Americans are diagnosed with Parkinson’s each year, and it is a disease for which there is no meaningful treatment. Certainly, there are medications that are used fairly effectively to reduce the symptoms of this disease, like tremor and rigidity. But again, as stated, there is no meaningful treatment available now or in the foreseeable future.

Having said that, it makes very good sense therefore, to explore the notion of prevention as it relates to Parkinson’s disease. It is in this context that we take a look at a recent publication in the journal, Diabetes Care. In this report, 1565 Parkinson’s patients were evaluated and it was determined that the risk of developing Parkinson’s disease was an astounding 40% higher among diabetic patients compared to those without diabetes.

Food is fundamental.

Parkinsons Disease Patients Have Impaired Insulin Secretion

REPORTING FROM AAN 2018

LOS ANGELES – Parkinson’s disease patients with long-standing disease should be screened for glucose dysregulation and treated with insulin releasing drugs, instead of insulin sensitizers, when necessary, according to a French investigation that compared 50 patients with 50 healthy controls matched for age, sex, and body mass index.

The subjects underwent a 75-g oral glucose tolerance test. Glucose levels were higher in the Parkinson’s disease group from about 60 minutes through the end of the test at 180 minutes; the differences were statistically significant at 90 and 150 minutes. The total blood glucose area under the time curve was significantly higher in the PD group .

Dr. Ana Marques

In short, “PD patients had higher blood glucose following oral glucose intake without … the expected concomitant rise in insulin levels, suggesting an under-active insulin response. PD patients with advanced disease” – all the patients had had PD for more than 5 years – “have impaired blood glucose levels in response to oral glucose intake,” said lead investigator Ana Marques, MD, of the Université Clermont Auvergne in Clermont-Ferrand, France.

“Blood glucose dysregulation should be screened in PD patients with moderate to advanced disease. Insulin releasing drugs should possibly be preferred insulin sensitizer drugs in PD patients with diabetes,” she said at the annual meeting of the American Academy of Neurology.

How Gut Bacteria Negatively Influences Blood Sugar Levels

Millions of people around the world experience serious blood sugar problems which can cause diabetes, but a world first study is revealing how gut bacteria impact the normally feel good hormone serotonin to negatively influence blood sugar levels.

Serotonin, a neurotransmitter in the brain, is nicknamed the ‘happy hormone’ and is normally linked with regulating sleep, well-being and metabolism. But the gut actually produces 95 percent of it, and not in the happy form like we know about in the brain.

In a study published in the leading international journal Proceedings of the National Academicy of Sciences today, researchers from Flinders, SAHMRI, and McMaster University in Canada show exactly how bacteria living in the guts of mice, the microbiome, communicate with cells producing serotonin to influence blood sugar levels in the host body.

Professor Damien Keating, Head of Molecular and Cellular Physiology at Flinders University and Deputy Director of the Flinders Health and Mecical Research Institute, says this study sheds light on the unanswered question about exactly how bacteria in the microbiome communicate to control glucose levels in the metabolism.

“We found that the microbiome worsens our metabolism by signalling to cells in the gut that produce serotonin. They drive up serotonin levels, which we previously showed to be increased in obese humans, and this rise in blood serotonin causes significant metabolic problems.”

Explore further

Parkinsons Disease And Low Blood Pressure Whats The Link

Low blood pressure is one of the most common non-motor signs of Parkinson’s disease that affects one in 5 people with the disease . Although the problem can appear at any stage, people with mid and late-stage of Parkinson’s disease are generally more affected.

For most patients, drop in the blood pressure happens early in the morning or after taking medication. For others, it can occur at any time of the day.

Research shows that lower blood pressure appears many years before the development of motor symptoms . Therefore, it is now being considered as one of the development.


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