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Published on Leave a comment on Food Preservatives Linked to Higher Risk of Type 2 Diabetes
Processed meat Credit: Wikipedia

Many studies are finding that eating ultra-processed foods (UPFs) can lead to all sorts of health problems. A recent large study conducted in France found that people eating higher amounts of food preservatives had a higher risk of type 2 diabetes. Overall, people consuming foods with higher amounts of preservatives had a 47% higher risk of developing type 2 diabetes (when compared to people eating low amounts of preservatives).

Over 100,000 French adults were followed for more than a decade. The researchers found that 58 preservatives were in the foods they ate. The researchers examined 17 preservatives in depth (the most common ones eaten) and found that 12 preservatives are linked to type 2 diabetes: potassium sorbate, potassium metabisulphite, sodium nitrite, acetic acid, sodium acetates, calcium propionate, sodium ascorbate, alpha-tocopherol, sodium erythorbate, citric acid, phosphoric acid, and rosemary extracts.

Bottom line: Read ingredient lists on food labels. Avoid foods that contain ingredients with chemical sounding names that are not normally found in a home kitchen. Those ingredients are in ultra-processed foods. Additionally, "natural flavors" are laboratory concoctions (found in ultra-processed foods).

From Science Daily: Common food preservatives linked to higher risk of type 2 diabetes

People who consume higher amounts of food preservatives may face a greater risk of developing type 2 diabetes, according to a large new study. Preservatives are commonly added to processed foods and beverages to extend shelf life. ...continue reading "Food Preservatives Linked to Higher Risk of Type 2 Diabetes"

Published on Leave a comment on Preventing Diabetes With A Mediterranean Diet and Increased Physical Activity

There has been lots of research in the past decade over the benefits of eating a diet rich in fruits, vegetables, whole grains, nuts, and legumes, especially a Mediterranean style diet. Health benefits include lowering chronic inflammation and a lower incidence of a number of chronic diseases, including type 2 diabetes.

A recent study conducted in Spain added a twist to this. The researchers found that eating a lower calorie Mediterranean diet and increased levels of physical activity, resulted in a 31% reduction in the development of type 2 diabetes, as well as a greater weight loss and reduction of their waist size. The comparison group were persons who ate a Mediterranean diet, but without lowering their calorie intake or increasing physical activity over the 6 years of the study.

The subjects in this study were 4756 overweight or obese adults with metabolic syndrome, but without prior cardiovascular disease or diabetes - thus a group that was at high risk for developing type 2 diabetes. The calorie reduction goal was to eat about 600 fewer calories per day.

Excerpts from Science Daily: Scientists found a smarter Mediterranean diet that cuts diabetes risk by 31%

Eating a Mediterranean-style diet with fewer calories, adding moderate physical activity, and receiving professional guidance for weight management can lower the risk of developing type 2 diabetes by 31%. That is the key finding of PREDIMED-Plus, a large clinical trial led in Spain by the University of Navarra together with more than 200 researchers from 22 universities, hospitals, and research institutes. The project was carried out in over 100 primary care centers within Spain's National Health System. ...continue reading "Preventing Diabetes With A Mediterranean Diet and Increased Physical Activity"

Published on Leave a comment on French Fries and Diabetes
French fries Credit: Wikipedia

French fries are a favorite food of Americans. However, a recent large study found that eating 3 or more servings of French fries a week is associated with a 20% increased risk for developing type 2 diabetes. The same risk is not found with eating other forms of potatoes, such as mashed, baked, or boiled.

There was a dose response effect with French fry consumption - the more servings a person ate per week, the greater the risk of developing type 2 diabetes. For 3 servings per week, there was a 20% increase in type 2 diabetes, but consuming 5 or more servings of French fries weekly was associated with a 27% higher rate of type 2 diabetes (when compared to people who rarely ate French fries, that is, less than 1 serving per week).

Also, replacing 3 servings per week of any form of potatoes with whole grains lowers the risk of developing type 2 diabetes, but not replacing potatoes with white rice. White rice is linked to an increased risk for type 2 diabetes.

Why is that? There is lots of fiber in whole grains and in whole potatoes (especially the skin), which is not present in French fries and white rice. Whole potatoes are also a good source for a number of nutrients, such as vitamin C, potassium, polyphenols, and magnesium. Many studies find that eating a diet rich in fruits, vegetables, whole grains, legumes, and nuts is linked to a lower incidence of type 2 diabetes.

From Science Daily: What scientists discovered about french fries and diabetes

Eating three servings of French fries a week is associated with a 20% increased risk of developing type 2 diabetes, but eating similar amounts of potatoes cooked in other ways -- boiled, baked or mashed -- does not substantially increase the risk, finds a study published by The BMJ on August 6. ...continue reading "French Fries and Diabetes"

Published on Leave a comment on Study Found Losing Weight Reversed Type 2 Diabetes

scale, weightType 2 diabetes is a huge problem in the US. Studies have long suggested that losing weight can help a person reduce or even stop having to use diabetes medication, and even reverse the diabetes. A recent study also found that type 2 diabetes in overweight individuals can be reversed by losing weight.

The good news is that the weight loss doesn't have to be huge - it can be as little as 8% of body weight (e.g., 16 lbs in a 200 pound person). Losing 8% of their body weight improved glycemic control because there was an improvement in their insulin responsiveness. By the way, all the participants in the study had a "sedentary lifestyle" and none exercised.

From Medical Xpress: Can type 2 diabetes be reversed? Experts say 'yes'

More than 36 million Americans have type 2 diabetes, a condition primarily attributed to the body's cells not responding to insulin properly, leading to high blood sugar levels. Due to the concomitant increase in the prevalence of obesity, type 2 diabetes is rising across the U.S. and around the world.

Insulin resistance drives type 2 diabetes, Shulman explains. "If you reverse insulin resistance, you reverse type 2 diabetes," he said. In a landmark study, Shulman and Kitt Petersen, MD, professor of medicine (endocrinology), showed that modest weight reduction—even as little as 10%—does just that. The study is published in the journal Diabetes. ...continue reading "Study Found Losing Weight Reversed Type 2 Diabetes"

Published on Leave a comment on Dining Early Is Healthier Than Close to Bedtime

An easy-peasy way to lower your risk for type 2 diabetes may be to not eat late dinners. Research conducted in Spain found that eating a meal an hour before bedtime decreases insulin secretion, impairs and decreases glucose tolerance, and so increases type 2 diabetes risk.

Lead author Marta Garaulet, PhD said: "We found that late eating disturbed blood sugar control in the whole group." The study had 845 participants, none with diabetes, all living in Spain. Melatonin levels (which rise naturally in the 2 hours before bedtime) were involved - so researchers say don't eat a meal then. Those with a certain gene variant had more disturbed blood sugar control than those without the gene.

Bottom line: Don't eat a meal in the 2 hours before bedtime. 

From Medscape: Eating Dinner Late Ups Diabetes Risk; Melatonin Involved

Eating dinner close to bedtime when endogenous melatonin levels are high is associated with decreased insulin secretion and decreased glucose tolerance, which increase the risk of type 2 diabetes. ...continue reading "Dining Early Is Healthier Than Close to Bedtime"

Published on Leave a comment on Eating Fruit Linked To Lower Risk of Type 2 Diabetes

Some good news. A recent study found that eating just 2 servings (a cup) of fruit per day is associated with a 36% lower risk for type 2 diabetes after 5 years (as compared to those who eat less than 1/2 a serving) . Doesn't sound like so much fruit, but appears to have a big effect.

However, in this Australian study, the association did not hold for fruit juice. Only for eating whole fruits.

From Science Daily: People who eat a healthy diet including whole fruits may be less likely to develop diabetes

A new study finds people who consume two servings of fruit per day have 36 percent lower odds of developing type 2 diabetes than those who consume less than half a serving. The research was published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism.  ...continue reading "Eating Fruit Linked To Lower Risk of Type 2 Diabetes"

Published on Leave a comment on Modest Lifestyle Changes Can Lower the Risk of Developing Diabetes

Being overweight increases the risk of developing diabetes. So a British study finding that modest lifestyle changes could lower the incidence (by over 40%) of developing type 2 diabetes is very encouraging. These were persons who had been diagnosed with prediabetes, thus they were at high risk of developing type 2 diabetes.

What are the beneficial lifestyle changes? Losing a modest amount of weight (4 1/2 to 7 pounds) and increasing the amount of exercise to 150 minutes per week of moderate intensity exercise.

Excerpts from Science Daily: A few kilograms weight loss nearly halves the risk of diabetes

Losing a few kilograms in weight almost halves people's risk of developing Type 2 diabetes -- according to a large scale research study led by the Norfolk and Norwich University Hospital and the University of East Anglia. ...continue reading "Modest Lifestyle Changes Can Lower the Risk of Developing Diabetes"

Published on Leave a comment on Type 2 Diabetes and the Brain

A recent study adds to the list of health reasons to try to avoid type 2 diabetes if at all possible, such as making lifestyle changes (e.g. lose weight if overweight, improve diet,  exercise). Earlier studies found that the brain atrophies (decreases in volume) with type 2 diabetes, and that the presence of type 2 diabetes doubles the risk of dementia in older age. Yikes!

Similarly, Australian researchers in the recent study found that type 2 diabetes in older individuals is associated with decline in verbal memory and verbal fluency over a five year period, but the findings suggest that this may start in midlife.  This is because at the start of the study those with type 2 diabetes already showed signs of greater brain atrophy than those without type 2 diabetes. The type 2 diabetes group had "poorer cognitive function" at the start of the study, and then they continued to decline over the 5 year study time, but not at any greater rate than individuals without diabetes. In contrast to the decline in verbal fluency over the 5 year period in the diabetes group, the non-diabetes group actually showed an slight increase in verbal fluency each year.

Of the 705 persons in the study, the average age of the type 2 diabetes group was 68.2 years, while the non-diabetes group was 72.5 years - so can see that the diabetes group was generally younger. [Note that the brain shrinks a little as we age, and it's a normal part of aging, but you want to minimize it. The more "youthful" the brain, the better for cognitive functioning.] 

From Science Daily: In older people, type 2 diabetes is associated with a decline in brain function over 5 years, study shows

New research published in Diabetologia (the journal of the European Association for the Study of Diabetes [EASD]) shows that in older people living in the community, type 2 diabetes (T2D) is associated with a decline in verbal memory and fluency over 5 years.  ...continue reading "Type 2 Diabetes and the Brain"

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Published on 1 Comment on Type 2 Diabetes May Be Reversed With Weight Loss

Another study finds that substantial weight loss can frequently reverse type 2 diabetes -  in 46% of people who had the disease 6 years or less. In the study (which was conducted in the United Kingdom) individuals were randomly assigned to different groups - either standard medical care for diabetes group or intense weight loss group (intense dieting in the first 4 months of the study), and then all were followed for 8 months (maintenance period). Those whose diabetes was reversed were all in the weight loss group and lost an average of 35 pounds during the weight loss (dieting) phase.

According to the researchers some of the non-responders (their diabetes did not reverse itself) just hadn't lost enough weight, but also tended to have diabetes a little longer (3.8 years) than the responder group (2.7 years).

Another similar earlier study also found that type 2 diabetes can be reversed in many after losing weight of about 31 pounds (600 to 700 calories a day) during an 8 week period. 40% of study participants overall reversed their diabetes, but 60% of those with short-duration of diabetes (under 10 years) reversed their diabetes. IN SUMMARY: Both of these studies had fantastic results in reversing type 2 diabetes after a large weight loss, which may lead to doctors suggesting weight loss as the number one thing to do after a type 2 diabetes diagnosis. From Science Daily:

Why weight loss produces remission of type 2 diabetes in some patients

A clinical trial recently showed that nearly half of individuals with type 2 diabetes achieved remission to a non-diabetic state after a weight-loss intervention delivered within 6 years of diagnosis. Now a study published August 2nd in the journal Cell Metabolism reveals that this successful response to weight loss is associated with the early and sustained improvement in the functioning of pancreatic beta cells. This finding challenges the previous paradigm that beta-cell function is irreversibly lost in patients with type 2 diabetes.  ...continue reading "Type 2 Diabetes May Be Reversed With Weight Loss"

Published on Leave a comment on Twin Study Finds Being Overweight Not Linked To Early Death or Heart Attack

Another interesting study looking at whether being overweight is linked to premature death, heart attacks, and diabetes. This study looked at sets of twins, in which one is heavier than the other, and followed them long-term (average 12.4 years) and found that NO - being overweight or obese (as measured by Body Mass Index or BMI) is NOT associated with premature death or heart attack (myocardial infarction), but it is associated with higher rates of type 2 diabetes. These results are in contrast with what a large study recently found. From Science Daily:

Higher BMI not associated with increased risk of heart attack or early death, twin study shows

A study of 4,046 genetically identical twin pairs with different amounts of body fat shows that twin siblings with a higher Body Mass Index, as a measure of obesity, do not have an increased risk of heart attack or mortality. The study, conducted by researchers at Umeå University in Sweden, also shows that a higher BMI is associated with an increased risk of type 2 diabetes...."The results suggest that lifestyle changes that reduce levels of obesity do not have an effect on the risk of death and heart attack, which contradicts conventional understandings of obesity-related health risks," says Peter Nordström, researcher at the Department of Community Medicine and Rehabilitation at Umeå University.

In the cohort study, Peter Nordström and research colleagues at Umeå University compared health data from 4,046 monozygotic twin pairs. All twins in the study had different levels of body fat, as measured in BMI....During a follow-up period of on average 12.4 years, differences between the twins were compared when it comes to incidents of mortality, heart attack and type 2 diabetes. The results clearly showed that twin siblings with a higher BMI did not have an increased risk of mortality or heart attack compared to their thinner counterparts. However, twins with a higher BMI did have an increased risk of developing type 2 diabetes.

The results showed that: - Among twin siblings with a higher BMI (mean value 25.1), there were 203 heart attacks (5 %) and 550 deaths (13.6 %) during the follow-up period. - Among twin siblings with a lower BMI (mean value 23.9), there were 209 heart attacks (5.2 %) and 633 deaths (15.6 %) during the same period. - Among the 65 twin pairs in the study who had a BMI difference of 7 or higher, and where the larger twin siblings had a BMI of 30 or higher, there were still no noticeably increased risk of mortality or heart attack associated with a higher BMI.

The study, described in the article Risks of Myocardinal Infarction, Death, and Diabetes in Identical Twin Pairs With Different Body Mass Index, is based on the Swedish Twin Registry, the largest of its kind in the world. The median age of the twins in the study was 57.5 and participants' ages ranged from 42-92. The cohort study was conducted between 1998 and 2003, with follow-ups regarding incident of mortality, heart attack and diabetes during a 10 year period until 2013. One study limitation was that weight and length (used to calculate BMI) was self-reported.