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Obesity news courtesy of Science Daily News

Vegetable-rich diet lowers fatigue in multiple sclerosis patients by raising good cholesterol ... read more
August 15, 2019
Higher levels of blood high-density lipoprotein (HDL) -- or good cholesterol -- may improve fatigue in multiple sclerosis patients, according to a new study.

High-fat diet and gut bacteria linked to insulin resistance ... read more
August 13, 2019
Researchers have discovered how our choice of diet can weaken our gut immune system and lead to the development of diabetes.

Excess body fat, particularly around the waist, is a major risk factor for premature death among Hispanics ... read more
August 12, 2019
Both general and abdominal obesity were strongly associated with mortality among Mexican adults. Each 5 kg/m2 increase in BMI above 25 kg/m2 was associated with a 30 percent increase in mortality. These findings refute previous research showing that being overweight was not strongly associated with mortality in Hispanic populations.

Gut-brain connection helps explain how overeating leads to obesity ... read more
August 12, 2019
A multi-institutional team reveals a previously unknown gut-brain connection that helps explain how those extra servings lead to weight gain.

Reduced carbohydrate intake improves type 2 diabetics' ability to regulate blood sugar ... read more
August 10, 2019
Patients with type 2 diabetes improve their ability to regulate blood sugar levels if they eat food with a reduced carbohydrate content and an increased share of protein and fat. The findings are contrary to the conventional dietary recommendations for type 2 diabetics.

Promising clinical trial results for drug for rare disease in which patients can't eat fat ... read more
August 8, 2019
In a Phase III clinical trial, the drug volanesorsen significantly reduced blood fat (triglyceride) levels in participants with a rare disease called familial chylomicronemia syndrome; finding could also help inform better prevention methods and treatments for many types of heart disease.

New hormone injection aids weight loss in obese patients ... read more
August 6, 2019
An injection has helped reduce body weight and glucose levels in patients with diabetes and obesity in four weeks.

Long-term declines in heart disease and stroke deaths are stalling ... read more
August 5, 2019
Heart disease and stroke mortality rates have almost stopped declining in many high-income countries, and are even increasing in some countries, according to new research.

Jogging and five other exercises ward off weight gain despite 'obesity genes' ... read more
August 1, 2019
For people who inherited genes that increase their chance of becoming obese, there is hope for keeping the weight off. A study has identified the types of exercise that are especially effective at combating genetic effects that contribute to obesity.

Strong evidence for causal link between obesity and multiple diseases ... read more
August 1, 2019
New research presents the strongest evidence yet of a causal relationship between obesity and a wide range of serious conditions.

Weight stigma in men associated with harmful health consequences ... read more
July 30, 2019
As many as 40% of men report experiencing weight stigma, but little is known about how this stigma affects their health. This study found that men experiencing weight stigma have more depressive symptoms, are more likely to binge eat, and have lower self-rated health.

Individuals with obesity get more satisfaction from their food ... read more
July 30, 2019
A new study found no significant difference in taste perceptions between participants of normal weight and those who were overweight. However, participants with obesity had initial taste perceptions that were greater than participants who were not obese, which declined at a more gradual rate than participants who were not obese. This quantification of satisfaction from food may help explain why some people eat more than others.

Birthweight, height together provide insight into future heart health ... read more
July 30, 2019
It's the proportionately of a newborn -- a measure that includes both birthweight and length -- that may best tell doctors whether a child is born with an increased risk for heart problems later in life, investigators report.

Five or more hours of smartphone usage per day may increase obesity ... read more
July 25, 2019
As smartphones continue to be an inherent part of life and grow as a primary source of entertainment -- particularly among young people -- it leads to a decrease in physical activity. University students who used their smartphones five or more hours a day had a 43% increased risk of obesity and were more likely to have other lifestyle habits that increase the risk of heart disease.

These gut bacteria prevent mice from becoming obese -- what could that mean for us? ... read more
July 25, 2019
A specific class of bacteria from the gut prevents mice from becoming obese, suggesting these same microbes may similarly control weight in people, a new study reports. The beneficial bacteria, called Clostridia, are part of the microbiome -- collectively trillions of bacteria and other microorganisms that inhabit the intestine.

Signals from skin cells control fat cell specialization ... read more
July 25, 2019
When cells change to a more specialized type, we call this process cellular differentiation. Scientists have revealed that protein secretions by skin cells known as keratinocytes control the differentiation of subsurface skin fat cells. This discovery could potentially help to treat obesity.

Diet of traditional Native foods revealed in hair samples ... read more
July 25, 2019
Researchers have linked specific chemical signatures found in human hair with a diet of traditional Yup'ik foods. The finding could help scientists make connections between diet and long-term health trends in Alaska Native populations.

Exposure to common chemicals in plastics linked to childhood obesity ... read more
July 25, 2019
Exposure to common chemicals in plastics and canned foods may play a role in childhood obesity, according to a new study.

Interventions for type 2 diabetes successful across the genetic landscape ... read more
July 25, 2019
Researchers find the quality of dietary fat consumed and the genetic risk of diabetes work independently of each other, and that a diet rich in polyunsaturated fats can be safely applied across the spectrum of type 2 diabetes genetic risk.

Extra weight in 60s may be linked to brain thinning years later ... read more
July 24, 2019
Having a bigger waistline and a high body mass index (BMI) in your 60s may be linked with greater signs of brain aging years later, according to a new study. The study suggests that these factors may accelerate brain aging by at least a decade.

Waist size is a forgotten factor in defining obesity ... read more
July 24, 2019
A new study finds that some people considered to be a normal weight could unknowingly be at high risk for obesity-related health issues.

With bitter foods, what you eat determines what you like to eat ... read more
July 24, 2019
Introducing plant-based foods to a diet is a common-sense approach to healthy eating, but many people don't like the taste of vegetables, bitter greens, in particular. But give that broccoli a chance. Doing so won't just change your mind; it will actually change the taste of those foods, according to a new study.

Meal timing strategies appear to lower appetite, improve fat burning ... read more
July 24, 2019
Researchers have discovered that meal timing strategies such as intermittent fasting or eating earlier in the daytime appear to help people lose weight by lowering appetite rather than burning more calories, according to a report. The study is the first to show how meal timing affects 24-hour energy metabolism when food intake and meal frequency are matched.

New data fills research gaps on weight loss experiences for minority groups ... read more
July 24, 2019
The use of intensive lifestyle interventions focused on altering dietary and physical activity habits using behavioral strategies can produce sustained weight loss among African-Americans and Hispanics who have type 2 diabetes (T2D), according to a new study.

Mediterranean diet during pregnancy reduces gestational diabetes and weight gain ... read more
July 23, 2019
A simple Mediterranean-style diet in pregnancy does not reduce the overall risk of adverse maternal and offspring complications, but has the potential to reduce weight gain in pregnancy and the risk of gestational diabetes, according to a clinical trial.

Warning to those wanting to spice up their lives ... read more
July 22, 2019
Think twice before adding that extra kick of chili sauce or chopped jalapeno to your meal. New research shows a spicy diet could be linked to dementia.

SIRT6 over-expression may prevent progression of diabetes, study finds ... read more
July 18, 2019
A new animal study explores an alternative sirtuin-based therapy to block the development of obesity and cardiomyopathy under conditions of excess nutrition, when diet restriction and regular exercise are not feasible.

Should obesity be recognized as a disease? ... read more
July 17, 2019
With obesity now affecting almost a third (29%) of the population in England, and expected to rise to 35% by 2030, should we now recognize it as a disease? Experts debate the issue.

Anti-starvation trick that saved our ancestors may underlie obesity epidemic ... read more
July 16, 2019
A molecular 'trick' that kept our ancient ancestors from starving may now be contributing to the obesity epidemic, a new study finds.

Vast majority of dietary supplements don't improve heart health or put off death, study finds ... read more
July 16, 2019
In a massive new analysis of findings from 277 clinical trials using 24 different interventions, researchers say they have found that almost all vitamin, mineral and other nutrient supplements or diets cannot be linked to longer life or protection from heart disease.

Dietary quality influences microbiome composition in human colonic mucosa ... read more
July 15, 2019
Studying the association between diet quality and microbiome composition in human colonic mucosa revealed that a high-quality diet is linked to more potentially beneficial bacteria, while a low-quality diet is associated with an increase in potentially harmful bacteria.

Early and ongoing experiences of weight stigma linked to self-directed weight shaming ... read more
July 15, 2019
Researchers surveyed more than 18,000 adults enrolled in the commercial weight management program WW International, and found that participants who internalized weight bias the most tended to be younger, female, have a higher body mass index (BMI), and have an earlier onset of their weight struggle.

'Traffic light' food labels reduce calories purchased in hospital cafeteria ... read more
July 10, 2019
A new study shows that labeling food choices in a hospital cafeteria with simple 'traffic-light' symbols indicating their relative health value was associated with a reduction in calories purchased by employees.

In UK's third largest city intervention program helps reduce childhood obesity ... read more
July 10, 2019
Childhood obesity has reached epidemic proportions, and continues to rise globally, particularly for children living in poverty. But Leeds, England has seen a significant fall in obesity, particularly among the city's poorest and most disadvantaged children. The decline coincides with a strategy introduced in 2009 which aimed to tackle the obesity epidemic. At its heart was HENRY, an intervention designed to help parents provide their families with a healthier start in life.

Maternal obesity linked to childhood cancer ... read more
July 10, 2019
New study analyzed 2 million birth records and 3,000 cancer registry records and found that children born to obese mothers were 57% more likely to develop cancer, independent of other factors. This finding offers a rare opportunity for childhood cancer prevention.

Exercise improves brain function in overweight and obese individuals ... read more
July 9, 2019
New findings show that, on top of its benefits for metabolism, mood, and general health, exercise also improves brain function. In recent studies, researchers learned that obese and overweight individuals are prone to insulin resistance in the brain, where it provides information about current nutritional status, as well as the rest of the body. So researchers wanted to know whether exercise can improve insulin sensitivity in the brain and improve cognition in overweight individuals.

Criteria for bariatric surgery should consider more than just patient's weight ... read more
July 9, 2019
More than one-third of Americans are obese, and while more than 250,000 bariatric surgeries are performed annually in the United States, experts say surgery should be an option for many more patients. Researchers say the standard criteria to qualify for bariatric surgery are nearly three decades old and are arbitrarily based on a patient's body mass index (BMI).

A tale of two proteins: The best and worst of metabolic adaptation ... read more
July 8, 2019
The Developmental Origins of Health and Disease hypothesis states that the nutritional environment in early life makes people susceptible to lifestyle-related diseases, such as obesity, diabetes and heart attack, as adults. Many of those diseases exhibit reduced mitochondrial metabolism in the tissues of the body. Now, researcher reveal that two metabolic pathways involved in energy metabolism may play a role in the DOHaD hypothesis.

Tiny change has big effects, reverses prediabetes in mice ... read more
July 4, 2019
A small chemical change -- shifting the position of two hydrogen atoms -- makes the difference between mice that are healthy or that have insulin resistance and fatty liver, major risk factors for diabetes and heart disease. Making the change prevented the onset of these symptoms in mice fed a high-fat diet and reversed these prediabetes obese mice. Published in Science, the finding pinpoints a 'druggable' target that could be used to develop therapies for diabetes.

Obese people outnumber smokers two to one ... read more
July 2, 2019
New figures show that people who are obese now outnumber people who smoke two to one in the UK, and excess weight causes more cases of certain cancers than smoking, as the charity urges government action to tackle obesity.

Promising approach: Prevent diabetes with intermittent fasting ... read more
July 2, 2019
Intermittent fasting is known to improve sensitivity to the blood glucose-lowering hormone insulin and to protect against fatty liver. Scientists have now discovered that mice on an intermittent fasting regimen also exhibited lower pancreatic fat.The researchers showed the mechanism by which pancreatic fat could contribute to the development of type 2 diabetes.

Innate immune responses to high-fat diets lead to obesity ... read more
July 2, 2019
Why is eating a high fat diet a recipe for obesity? According to a new study, the answer involves the activity of a specific type of immune cell that lives in the small intestine. Experiments showed that without group-2 innate lymphoid cells (ILC2s) in the small intestines, mice can eat high-fat diets without gaining extra weight or suffering from other physiological symptoms of obesity.

Higher salt intake can cause gastrointestinal bloating ... read more
June 27, 2019
A new study found that individuals reported more gastrointestinal bloating when they ate a diet high in salt.

What made humans 'the fat primate'? ... read more
June 26, 2019
How did humans get to be so much fatter than our closest primate relatives, despite sharing 99% of the same DNA? A new study suggests that part of the answer may have to do with an ancient molecular shift in how DNA is packaged inside fat cells, which curbed our body's ability to turn 'bad' white fat into 'good' brown fat.

Could coffee be the secret to fighting obesity? ... read more
June 24, 2019
Scientists have discovered that drinking a cup of coffee can stimulate 'brown fat', the body's own fat-fighting defenses, which could be the key to tackling obesity and diabetes.

'Hunger hormone' imbalance can trigger obesity ... read more
June 21, 2019
Scientists discovered a new mutation in the gene that regulates the key hormone suppressing hunger called leptin. This new mutation could help researchers understand why people develop excess of body fat.

Low-carb diet may reduce diabetes risk independent of weight loss ... read more
June 20, 2019
A low-carb diet may have benefits for people at risk of developing type 2 diabetes even if they don't lose any weight, a new study suggests.

Lifelong obesity linked to physical difficulties aged 50 ... read more
June 19, 2019
People who are obese from childhood through to middle age are more than twice as likely to have difficulty with daily tasks such as lifting, climbing stairs and carrying shopping by the time they are 50, a new study has found.

Biology of leptin, the hunger hormone, revealed ... read more
June 18, 2019
New research offers insight into leptin, a hormone that plays a key role in appetite, overeating, and obesity. The findings advance knowledge about leptin and weight gain, and also suggest a potential strategy for developing future weight-loss treatments, they said.

The brain consumes half of a child's energy -- and that could matter for weight gain ... read more
June 17, 2019
A new study proposes that variation in the energy needs of brain development across kids -- in terms of the timing, intensity and duration of energy use -- could influence patterns of energy expenditure and weight gain.

Excess weight and body fat cause cardiovascular disease ... read more
June 13, 2019
In the first Mendelian randomization study to look at this, researchers have found evidence that excess weight and body fat cause a range of heart and blood vessel diseases, rather than just being associated with it.

Pre-pregnancy weight affects infant growth response to breast milk ... read more
June 13, 2019
In the first study of its kind, LSU Health New Orleans researchers report that women's pre-pregnancy overweight or obesity produces changes in breast milk, which can affect infant growth.

Even in young children: Higher weight = higher blood pressure ... read more
June 13, 2019
Overweight 4-year-olds have a doubled risk of high blood pressure by age six, raising the hazard of future heart attack and stroke.

Food access near schools and homes illuminated for children in New York city ... read more
June 12, 2019
A study of nearly 800,000 schoolchildren in New York City shows that Black, Hispanic, and Asian students live and go to school closer to both healthy and unhealthy food outlets than do White students.

Curbing your enthusiasm for overeating ... read more
June 11, 2019
Signals between our gut and brain control how and when we eat food. But how the molecular mechanisms involved in this signaling are affected when we eat a high-energy diet and how they contribute to obesity are not well understood. Using a mouse model, a research team led by a biomedical scientists has found that overactive endocannabinoid signaling in the gut drives overeating in diet-induced obesity by blocking gut-brain satiation signaling.

Sleeping with artificial light at night associated with weight gain in women ... read more
June 10, 2019
Sleeping with a television or light on in the room may be a risk factor for gaining weight or developing obesity, according to scientists. The research is the first to find an association between sleeping with artificial light at night and weight gain in women. The results suggest that cutting off lights at bedtime could reduce women's chances of becoming obese.

Gene mutation evolved to cope with modern high-sugar diets ... read more
June 4, 2019
A common gene mutation helps people cope with modern diets by keeping blood sugar low, but close to half of people still have an older variant that may be better suited to prehistoric diets, finds a new study.

Diabetes drug alleviates anxiety in mice ... read more
June 3, 2019
The antidiabetic medication metformin reduces anxiety-like behaviors in male mice by increasing serotonin availability in the brain, according to a new study. These findings could have implications for the treatment of patients with both metabolic and mental disorders.

Being teased about weight linked to more weight gain among children ... read more
May 30, 2019
Youth who said they were teased or ridiculed about their weight increased their body mass by 33 percent more each year, compared to a similar group who had not been teased, according to researchers. The findings appear to contradict the belief that such teasing might motivate youth to change their behavior and attempt to lose weight.

Bariatric surgery can be safe and effective for adolescents ... read more
May 28, 2019
Pediatricians are often reluctant to recommend bariatric surgery for teenagers, but a study concludes it is a justifiable treatment for adolescents with persistent extreme obesity if they can maintain a healthy lifestyle afterward.


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