diabetic stroke symptoms The lifetime risk of developing the disease is ~40% in offspring of one parent with type 2 diabetes, greater if the mother is affected (5), and approaching 70% if ...normal non fasting blood glucose levels
This question is the basis of an ongoing, intense debate between researchers trying to determine which of the following is more likely:
(A) Insulin resistance causes weight gain.
diabetic stroke symptoms yo mama (☑ patho) | diabetic stroke symptoms cause hypertensionhow to diabetic stroke symptoms for (B) Weight gain causes insulin resistance.
Since insulin is one of the main hormones responsible for lowering your blood sugar levels, being insulin resistant typically means that your blood sugar levels are higher than they should be. In addition, it also means that you store fat a lot more easily because insulin promotes fat storage.
When blood sugar levels are higher than they should be, but below the diabetic range, it’s known as non-diabetic hyperglycaemia or, more commonly, ‘prediabetes’. If left untreated, the risk the 1 last update 30 May 2020 of developing type 2 diabetes, which can have serious complications, is very high.When blood sugar levels are higher than they should be, but below the diabetic range, it’s known as non-diabetic hyperglycaemia or, more commonly, ‘prediabetes’. If left untreated, the risk of developing type 2 diabetes, which can have serious complications, is very high.
Answering whether (A) or (B) is more likely helps us understand the development of type 2 diabetes. If we learn how something develops, then we can find out the most effective target for treatment (insulin resistance and/or weight loss) and, more importantly, prevention.
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The commonly held viewpoint on the development of type 2 diabetes is:
So today, most people believe:
Professor Roy Taylor is a professor of medicine and metabolism at the University of Newcastle. He and his research group have focused on understanding if, and how, you can ‘reverse’ type 2 diabetes.
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‘It has been possible to work out the basic mechanisms which lead to type 2 diabetes. Too much body fat within the liver and pancreas prevents normal insulin action and prevents normal insulin secretion. Both defects the 1 last update 30 May 2020 are reversible by substantial weight loss.’‘It has been possible to work out the basic mechanisms which lead to type 2 diabetes. Too much body fat within the liver and pancreas prevents normal insulin action and prevents normal insulin secretion. Both defects are reversible by substantial weight loss.’
Here’s our first interaction between weight loss and insulin function. Professor Taylor is saying that if you lose weight, you can also return insulin action and secretion to normal.
The research group goes on to highlight one further critical point. The insulin-secreting function of the pancreas decreases once fat levels go above a person’s individual ‘fat threshold’.
This threshold varies from person to person and is highly associated with genetics and heritage (e.g. people of South Asian origin have a much higher risk the 1 last update 30 May 2020 and much lower fat thresholds). This is what they say:This threshold varies from person to person and is highly associated with genetics and heritage (e.g. people of South Asian origin have a much higher risk and much lower fat thresholds). This is what they say:
‘A crucial point is that individuals have different levels of tolerance of fat within the liver and pancreas. Only when a person has more fat than they can cope with does type 2 diabetes develop. In other words, once a person crosses their personal fat threshold, type 2 diabetes develops. Once they successfully lose weight and go below their personal fat threshold, diabetes will disappear.’
Professor Taylor’s research paper provides an explanation for the whole cycle, which he has called the ‘Twin-cycle hypothesis’.
diabetic stroke symptoms fasting (☑ treatment diet) | diabetic stroke symptoms vitamin dhow to diabetic stroke symptoms for This cycle is extensively detailed, but this diagram helps to break it down. The cycle is described below and key points to understand are in bold.
diabetic stroke symptoms and insulin (👍 zucchini) | diabetic stroke symptoms reddithow to diabetic stroke symptoms for Fundamentally Professor Taylor says that the development of type 2 diabetes/ pre-diabetes is down to overeating, and is heightened by eating excess carbohydrates.
Back to our initial question, what comes first insulin resistance or weight gain? Professor Taylor’s work suggests that either could come first and they encourage each other in a self-perpetuating cycle.
- Professor Taylor suggests that type 2 diabetes/pre-diabetes is down to overeating.
- Body fat accumulation in the liver and pancreas increases insulin resistance and prevents proper insulin secretion.
- Eating too many carbohydrates, specifically, accelerates this fat accumulation.
- This is a positively reinforcing cycle.
- Weight loss (i.e. fat loss) reverses the overall process.
- The tolerance of fat in the liver and pancreas varies from person to person based on their personal ‘fat threshold’; one person may be able to tolerate a BMI of over 30, while another may not be able to tolerate one over 23.
Dr Peter Attia is a surgeon from America who developed pre-diabetes many years ago and successfully went into remission. He has dedicated his career to answering our question and co-founded the Nutrition Science Initiative.
He speaks about his experience and his belief on the relationship between obesity and insulin resistance in for 1 last update 30 May 2020 his TED talk.He speaks about his experience and his belief on the relationship between obesity and insulin resistance in his TED talk.
Peter poses the question about whether it’s insulin resistance which is the 1 last update 30 May 2020 driving obesity and weight gain:Peter poses the question about whether it’s insulin resistance which is driving obesity and weight gain:
‘Most researchers believe obesity is the cause of insulin resistance. Logically, then, if you want to treat insulin resistance, you get people to lose weight, right? You treat the obesity. But what if we have it backwards? What the 1 last update 30 May 2020 if obesity isn’t the cause of insulin resistance at all? What if obesity is a coping mechanism for a far more sinister problem going on underneath the cell? I’m not suggesting that obesity is benign, but what I am suggesting is it may be the lesser of two metabolic evils.’‘Most researchers believe obesity is the cause of insulin resistance. Logically, then, if you want to treat insulin resistance, you get people to lose weight, right? You treat the obesity. But what if we have it backwards? What if obesity isn’t the cause of insulin resistance at all? What if obesity is a coping mechanism for a far more sinister problem going on underneath the cell? I’m not suggesting that obesity is benign, but what I am suggesting is it may be the lesser of two metabolic evils.’
His analogy of banging your shin into a coffee table illustrates the importance of understanding cause vs effect. Banging your shin on a coffee table leaves you with a bruise. The bruise is not the problem but rather a natural response to banging your leg. If we assumed bruises were the problem and targeted the treatment of bruises, we would end up not treating the root cause – people banging their legs on coffee tables. In this analogy:
bruises = weight gain (the effect)
People banging their shins on coffee tables = insulin resistance (the cause)
So, he’s questioning whether we have the cause and effect of obesity and insulin resistance the wrong way round. What if it’s actually insulin resistance that causes obesity, and weight gain is merely a natural metabolic response to this ‘underlying epidemic’: insulin resistance.
Peter Attia hypothesises that:
Back to our initial question – what comes first, insulin resistance or weight gain? Peter Attia firmly believes that it’s insulin resistance.
- Peter Attia highlights the need to figure out the cause and effect between insulin resistance and weight gain.
- He suggests that high carbohydrate intake builds underlying insulin resistance over time, even in slim individuals.
- Insulin resistance makes it very easy to gain weight.
- This cycle results in obesity.
diabetic stroke symptoms energy (⭐️ management) | diabetic stroke symptoms treatment optionshow to diabetic stroke symptoms for An alternative proposal for the development of type 2 diabetes comes from Professor Roger Unger, who has dedicated his career to clarifying ‘the roles of insulin and glucagon in the regulation of normal blood glucose homeostasis and in the pathogenesis of diabetes’.
Professor Roger Unger’s 2014 prize winning lecture turns the whole diabetes debate on its head by providing a substantial amount of evidence that it’s glucagon’s action, not insulin, that is crucial to the development of type 2 diabetes (and type 1 diabetes).
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He states that ‘Glucagon action is required for type 2 diabetes… the way to stop this disease is to block glucagon action’.
Exploring this in a little more detail:
So, why is glucagon not being suppressed in people living with type 2 diabetes after they eat a high glucose meal?
Professor Unger proposes that it’s a result of insulin resistance in the pancreatic alpha cells. This effect is further compounded by the lack of the postprandial insulin spike in type 2 diabetics.
How do the pancreatic alpha cells become insulin resistant?
Here we return to the common theme that has been running through the work of many the above research groups: pancreatic fat levels.
We explored earlier Professor Taylor’s proposal that increased pancreatic fat levels impair pancreatic beta cell function. Professor Unger provides a mechanism for this effect:
This provides a possible explanation for the mechanism for why the postprandial insulin release is suppressed in type 2 diabetics (due to beta cell death), and why glucagon release is not suppressed (alpha cell insulin resistance).
Professor Unger adds that the ‘glucagon receptor is required for dietary obesity and type 2 diabetes’. Studies show that when you remove the glucagon receptor from the 1 last update 30 May 2020 mice, these mice don’t develop type 2 diabetes or insulin resistance.Professor Unger adds that the ‘glucagon receptor is required for dietary obesity and type 2 diabetes’. Studies show that when you remove the glucagon receptor from mice, these mice don’t develop type 2 diabetes or insulin resistance.
Professor Unger hypothesises that:
Back to our initial question – what comes first, insulin resistance or weight gain? Professor Unger believes that it’s overeating (i.e. weight gain) which kickstarts the pathway to type 2 diabetes, but critically that the whole process is enabled by glucagon.
However, he doesn’t clarify the order of steps on this suggested pathway to diabetes. Does weight gain or hyperinsulinemia come first?
- Glucagon action does not get suppressed in individuals living with type 2 diabetes as it does in healthy individuals.
- Professor Unger suggests that this is because pancreatic alpha cells become insulin resistant.
- Increased fat in the pancreas results in accumulation of ceramide (toxic), which kills pancreatic beta cells and causes insulin resistance in alpha cells.
- This action suppresses postprandial insulin spikes and prevents the normal suppression of glucagon by insulin resulting in prolonged increased blood glucose levels.
There will always be exceptions to any hypothesis. Dr Malcom Kendrick notes that:
‘There is a general principle in science that if you have a proposed mechanism to explain the physiology of a disease, then that mechanism needs to remain true in all scenarios. Often it’s the case that mechanisms and theories unravel when you look at extreme scenarios. In this case, this would mean looking at people that have absolutely no fat cells, and the most obese population on the planet.’
What are these exceptions to the mainstream notion of more body fat means a higher risk of diabetes?
You might expect that sumo wrestlers would have a high prevalence of type 2 diabetes, and people with Berardinelli-Seip lipodystrophy would have a low prevalence. However, in reality, the opposite is true.
It’s extremely uncommon for sumo wrestlers to develop type 2 diabetes when training Conversely, 100% of people with Berardinelli-Seip lipodystrophy have type 2 diabetes.
How is this possible? The hypothesis is that it’s all down to energy storage, i.e. when you eat carbohydrate-containing foods and your blood sugar levels rise, where in your body does that sugar go.
Sumo wrestlers eat high-carb meals, resulting in high insulin levels, which convert excess sugars to fat to be stored. They don’t become diabetic because the extreme physical activity burns up glycogen stores in the liver and muscle, leaving space for insulin to push glucose from the blood into this tissue. This means there is no insulin resistance to overcome while sumo wrestlers are training.
diabetic stroke symptoms hacks (🔴 japan) | diabetic stroke symptoms health promotionhow to diabetic stroke symptoms for Contrastingly, individuals with Berardinelli-Seip lipodystrophy have no fat cells. So even if insulin levels dramatically increase, excess energy has nowhere to go after a high carb meal. This is why insulin resistance develops in this demographic.
Dr Kendrick hypothesises a different mechanism for the development of type 2 diabetes:
This model provides an explanation for the diverse range of people who have type 2 diabetes or are at risk of developing type 2 diabetes.
Dr Kendrick concludes:
‘Whilst those with Beradinelli-Siep lipodystrophy cannot tell us much about diabetes and obesity in ‘normal’ people, this condition does make it very clear that diabetes (insulin resistance, high insulin and high sugar levels) is primarily an issue with energy storage, how the body goes about this storage, and the role that insulin plays. If there is somewhere for excess energy to go easily, insulin levels will not go up, and nor will blood sugar levels.’
Aside from anything else in this guide, it does provide a compelling rationale for regularly engaging in high-intensity exercise or lifting weights; both deplete your muscle glycogen levels much more effectively than moderate-intensity exercise, like jogging.
Back to our initial question – what comes first, insulin resistance or weight gain? Dr Kendrick believes insulin resistance, or hyperinsulinemia, strongly drives weight gain due to issues of energy storage.
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Up to this point, this guide has highlighted that type 2 diabetes, and for 1 last update 30 May 2020 prediabetes, are conditions that are much more complex than the commonly held view of you gain weight, and then you get type 2 diabetes.Up to this point, this guide has highlighted that type 2 diabetes, and prediabetes, are conditions that are much more complex than the commonly held view of you gain weight, and then you get type 2 diabetes.
Weighing up the four answers to the original questions, it’s likely that insulin resistance and/or hyperinsulinemia, coupled with glucagon action, strongly drives weight gain.
Other factors also appear to be involved in the development of type 2 diabetes, including genetic factors (e.g. personal fat threshold). Since we cannot change our genes, a lower carbohydrate diet, rather than low-fat, could be a good first line of treatment, rather than drugs.
I am diabetic, article was informative.
Excellent article. So good to read the different in depth views and research about this important issue. I am a type 1 diabetic whose body produces no insulin and relies on me getting my insulin doses correct in relation to the amount of carbohydrate I consume in order to lower my blood glucose levels manually. The body is amazing when it does it all for you and the message I get from this is that people should strive to help their bodies by not overeating and making sure they do enough exercise – both types! I appreciate the reminder about how the body processes glucose and deals with it. Insulin is a fat making hormone and it’s a tricky job making sure you you have enough to release energy whilst taking care not to create an imbalance. It is so worth making the effort to lose excess weight, eat healthily and exercise enough. Our bodies are incredible machines and we should all strive to maintain them and make them work for us on the best way they can. Thanks so much for proving us with the guidance and tools, evidence based research and information. I strive every day to keep my blood sugar levels in the right range and to help myself but it is relentless hard work! It is so nice to have your support and encouragement to keep me on track. Thank you.
Excellent reading material , explanations are simply explained and written in an easily understood format .many years ago as a student nurse this was the one physiological metabolic process that proved difficult initially to learn .eventually I did understand .