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Obesity news courtesy of Science Daily News

Long-term exposure to road traffic noise may increase the risk of obesity ... read more
November 16, 2018
Long term exposure to road traffic noise is associated with increased risk of obesity.

Dietary fat is good? Dietary fat is bad? Coming to consensus ... read more
November 15, 2018
Which is better, a low-fat/high-carbohydrate diet or a high-fat/low-carbohydrate diet -- or is it the type of fat that matters? In a new paper, researchers with diverse expertise and perspectives on the issues laid out the case for each position and came to a consensus and a future research agenda.

Should you eat a low-gluten diet? ... read more
November 15, 2018
When healthy people eat a low-gluten and fiber-rich diet compared with a high-gluten diet they experience less intestinal discomfort including less bloating which researchers show are due to changes of the composition and function of gut bacteria. The new study also shows a modest weight loss following low-gluten dieting. The researchers attribute the impact of diet on healthy adults more to change in composition of dietary fibers than gluten itself.

Low-carb diets cause people to burn more calories ... read more
November 14, 2018
Most people regain the weight they lose from dieting within one or two years, in part because the body adapts by slowing metabolism and burning fewer calories. A meticulous study now finds that eating fewer carbohydrates increases the number of calories burned. The findings suggest that low-carb diets can help people maintain weight loss, making obesity treatment more effective.

If your diet fails, try again; your heart will thank you ... read more
November 13, 2018
Risk factors for cardiovascular disease closely track with changes in eating patterns, even only after a month or so.

Treating obesity: One size does not fit all ... read more
November 13, 2018
Understanding the very different characteristics of subgroups of obese patients may hold the key to devising more effective treatments and interventions, new research found.

'Strongest evidence yet' that being obese causes depression ... read more
November 12, 2018
New research has found the strongest evidence yet that obesity causes depression, even in the absence of other health problems.

Weight during adolescence may affect pancreatic cancer risk in adulthood ... read more
November 12, 2018
New research has linked adolescent obesity with up to a four-fold increased risk of pancreatic cancer later in life. The study's results also suggest that overweight and even higher weight within the 'normal' weight range in men may increase pancreatic cancer risk in a graded manner.

Big change from small player: Mitochondria alter body metabolism and gene expression ... read more
November 9, 2018
Mitochondria have their own DNA, but the 13 genes in human mitochondria -- along with DNA sequences for tRNAs, rRNAs and some small peptides -- are massively overshadowed by the 20,000 genes in the human nucleus. Nevertheless, these diminutive mitochondria may have a strong influence on cellular metabolism and susceptibility to metabolic diseases like heart failure or obesity.

How many calories do you burn? It depends on time of day ... read more
November 8, 2018
Researchers have made the surprising discovery that the number of calories people burn while at rest changes with the time of day. When at rest, people burn 10 percent more calories in the late afternoon and early evening than in the early morning hours.

Nasal delivery of weight-loss hormone eases breathing problems in sleeping mice ... read more
November 7, 2018
Experimenting with mice, Johns Hopkins Medicine researchers have added to evidence that a hormone best known for helping regulate hunger and body weight might also ease breathing problems experienced during sleep more effectively when given through the nose.

Does a woman's weight gain during pregnancy affect children's bone health? ... read more
November 7, 2018
A new study has examined whether managing weight during pregnancy might affect children's bone mass. In under/normal weight mothers, weight gain during pregnancy was associated with slightly increased bone mass at seven years of age in children, while in overweight/obese mothers, no beneficial effect of weight gain on bone mass was observed.

Does having muscle weakness and obesity lead to falls for older women? ... read more
November 5, 2018
New research suggests that it is important to identify people at risk for falls related to obesity and muscle weakness so that healthcare providers can offer appropriate solutions.

Gene that regulates fat accumulation and obesity ... read more
November 5, 2018
A new study showed that regardless of diet, a protein called Pannexin 1 significantly regulates the accumulation of fat in mice. The study suggests that a deletion of the Panx1 gene in the early stages of development of mouse fat cells increases the amount of fat accumulated, leading to a higher risk for obesity later in life.

A hypocaloric Mediterranean diet and daily exercise maintain weight loss ... read more
November 5, 2018
Following a Mediterranean diet low in calories and engaging daily physical activity have been demonstrated to result in reduce body weight and cardiovascular risk in overweight patients and patients with metabolic syndrome, and to maintain these benefits after one year.

Nuts for nuts? Daily serving may help control weight and benefit health ... read more
November 5, 2018
Eating Brazil nuts and other varieties of nuts daily may prevent weight gain and provide other cardiovascular benefits, according to two separate preliminary studies.

Trial finds diet rich in fish helps fight asthma ... read more
November 4, 2018
A clinical trial has shown eating fish such as salmon, trout and sardines as part of a healthy diet can reduce asthma symptoms in children.

How diet impact health and well-being ... read more
November 2, 2018
From the standpoint of heart health, the Tsimane are a model group. A population indigenous to the Bolivian Amazon, the Tsimane demonstrate next to no heart disease. They have minimal hypertension, low prevalence of obesity and and their cholesterol levels are relatively healthy. And those factors don't seem to change with age.

Genetic factors tied to obesity may protect against diabetes ... read more
November 2, 2018
Some genetic variations associated with obesity actually protect against Type 2 diabetes, heart attack and stroke, new findings suggest.

Study suggests childhood obesity linked to poor school performance and coping skills ... read more
November 2, 2018
Study suggests that childhood obesity, now at epidemic levels in the United States, may affect school performance and coping skills for challenging situations.

Immigration to the United States changes a person's microbiome ... read more
November 1, 2018
Researchers new evidence that the gut microbiota of immigrants and refugees rapidly Westernize after a person's arrival in the United States. The study of communities migrating from Southeast Asia to the US could provide insight into some of the metabolic health issues, including obesity and diabetes, affecting immigrants to the country.

To ward off fatty liver, breast is best for mom ... read more
November 1, 2018
Researchers have discovered that mothers who breastfed a child or children for six months or more are at lower risk for developing non-alcoholic fatty liver disease (NAFLD) years later during mid-life. With no other current prevention options aside from a healthy lifestyle, they say the finding may represent an early modifiable risk factor for a serious and chronic disease.

Could bariatric surgery make men more virile? ... read more
October 31, 2018
Men who have undergone bariatric surgery as a long-term way of losing weight might also benefit from increased testosterone levels post-surgery. However, there is no evidence that the sperm quality of a patient improves.

Inflammation can lead to circadian sleep disorders ... read more
October 31, 2018
Inflammation, which is the root cause of autoimmune disorders including arthritis, type 1 diabetes, irritable bowel syndrome and Crohn's disease, has unexpected effects on body clock function and can lead to sleep and shiftwork-type disorders, a new study in mice found.

Cottonseed oil linked to lower cholesterol ... read more
October 31, 2018
Researchers at the University of Georgia have found that a high-fat diet enriched with cottonseed oil drastically improved cholesterol profiles in young adult men.

Plant-based or vegan diet may be best for keeping type 2 diabetes in check ... read more
October 30, 2018
A predominantly plant-based or vegan diet may be best for keeping type 2 diabetes in check, not least because of its potential impact on mood, suggests a systematic review of the available evidence.

Childhood antibiotics and antacids may be linked to heightened obesity risk ... read more
October 30, 2018
Young children prescribed antibiotics and, to a lesser extent, drugs to curb excess stomach acid, may be at heightened risk of obesity, new research suggests.

Economic impact of excess weight now exceeds $1.7 trillion ... read more
October 30, 2018
The impact of obesity and overweight on the U.S. economy has eclipsed $1.7 trillion, an amount equivalent to 9.3 percent of the nation's gross domestic product, according to a new report on the role excess weight plays in the prevalence and cost of chronic diseases.

Obese mice lose a third of their fat using a natural protein ... read more
October 29, 2018
To the great surprise of cancer researchers, a protein they investigated for its possible role in cancer turned out to be a powerful regulator of metabolism.

Fruit fly study challenges theories on evolution and high-carb diets ... read more
October 26, 2018
Fruit fly research challenges neutral theory of molecular evolution and suggests one day we may be prescribed diets according to our genes.

Study of 500,000 people clarifies the risks of obesity ... read more
October 25, 2018
Elevated body mass index (BMI) -- a measure of weight accounting for a person's height -- has been shown to be a likely causal contributor to population patterns in mortality, according to a new study using measurements and mortality data from 500,000 people.

Researchers make mice lose weight by imitating effects from cold and nicotine ... read more
October 24, 2018
Inspired by some of the effects from winter swimming and smoking, researchers have found a way to improve the metabolism of mice and make them lose weight. They have done so by stimulating the body's so-called cold and nicotinic receptors.

Differences between male and female fat tissue, and health ... read more
October 23, 2018
In a new study, researchers found that the abdominal fat on female mice had more blood vessels than the fat on male mice, and that this protected the health of the female mice as they gained fat from eating a high-fat diet.

Gut microbiota of infants predicts obesity in children ... read more
October 23, 2018
Evaluating the gut microbiota of infants may help identify children who are at risk for becoming overweight or obese. The research revealed that gut microbiota composition at two years of life is associated with body mass index (BMI) at age 12. In addition, the BMI at age two was not significantly higher in children who later became overweight/obese, indicating that gut microbiota composition may be the earliest warning sign for detecting obesity.

Childhood obesity the major risk factor for serious hip disease ... read more
October 22, 2018
New research suggests that rising childhood obesity rates are causing more adolescents to develop a debilitating hip disease requiring urgent surgery.

When fathers exercise, children are healthier, even as adults ... read more
October 22, 2018
Most parents know that the diet and exercise habits of a pregnant woman impacts the health of her baby, but little is known about how a father's health choices are passed to his children. A new study finds that lifestyle practices of fathers prior to conception may have a major impact on the lifelong health of their children.

Weight loss success linked with active self-control regions of the brain ... read more
October 18, 2018
New research suggests that higher-level brain functions have a major role in losing weight. In a study among 24 participants at a weight-loss clinic, those who achieved greatest success in terms of weight loss demonstrated more activity in the brain regions of the lateral prefrontal cortex associated with self-control.

Did eating starchy foods give humans an evolutionary advantage? ... read more
October 18, 2018
Gene AMY1, which kickstarts digestion of starch in the mouth, is associated with blood glucose levels and digestion of carbohydrates, with implications for understanding human evolutionary biology and the gut microbiome.

Children with autism, developmental delays nearly 50 percent more likely to be overweight, obese ... read more
October 18, 2018
A new study reveals that children with developmental delays, including autism spectrum disorder (ASD), are up to 50 percent more likely to be overweight or obese compared with the general population.

New approach for controlling dengue fever and Zika virus ... read more
October 17, 2018
To be able to reproduce and become effective disease carriers, mosquitoes must first attain optimal body size and nutritional status. A pair of researchers have succeeded in using CRISPR-Cas9, a powerful tool for altering DNA sequences and modifying gene function, to decrease mosquito body size, moving the research one step closer to eliminating mosquitoes that carry dengue fever and Zika virus.

Diets rich in fish oil could slow the spread and growth of breast cancer cells ... read more
October 16, 2018
Omega-3 fatty acids, such as those typically contained in fish oil, may suppress the growth and spread of breast cancer cells in mice.

Fat: A new player expands our definition of diabetes ... read more
October 12, 2018
Type 2 diabetes is reaching epidemic proportions around the world. The World Health Organization reports that more than 422 million people suffer from the disease, including over 1.2 million in Australia alone. The consequences of diabetes can be dire (cancer, kidney failure, and heart attacks) and its prevalence is rising fast. There is an urgent need to better understand how diabetes progresses -- and how it might be stopped.

Effects of a high-fat diet may be passed on for three generations ... read more
October 12, 2018
A high-fat diet in female mice affects their offspring's obesity, insulin resistance and addictive-like behaviors for three generations, according to a new study.

The metabolome: A way to measure obesity and health beyond BMI ... read more
October 11, 2018
The current standard for determining obesity is body mass index (BMI), a simple mathematical formula that uses weight and height. A new study looks at both the metabolome and the genome, and their relationship to BMI.

Low copper levels linked to fatter fat cells ... read more
October 11, 2018
In studies of mouse cells, researchers have found that low levels of cellular copper appear to make fat cells fatter by altering how cells process their main metabolic fuels, such as fat and sugar.

Study firms up diet and depression link ... read more
October 10, 2018
In an unusual experiment, researchers have found that among Torres Strait Islander people the amount of fish and processed food eaten is related to depression.

Planned intermittent fasting may help reverse type 2 diabetes, suggest doctors ... read more
October 9, 2018
Planned intermittent fasting may help to reverse type 2 diabetes, suggest doctors after three patients in their care, who did this, were able to cut out the need for insulin treatment altogether.

Gene mutation points to new way to fight diabetes, obesity, heart disease ... read more
October 9, 2018
Researchers say they have discovered a gene mutation that slows the metabolism of sugar in the gut, giving people who have the mutation a distinct advantage over those who do not. Those with the mutation have a lower risk of diabetes, obesity, heart failure, and even death.

Community efforts to combat childhood obesity can be effective, study finds ... read more
October 9, 2018
New research examines how broadly and successfully communities across the US implement programs and policies to prevent obesity in kids.

Asthma may contribute to childhood obesity epidemic ... read more
October 9, 2018
Toddlers with asthma are more likely to become obese children, according to the biggest study on the matter to date.

Diet and weight may affect response to bipolar disorder treatment ... read more
October 7, 2018
Data from a clinical trial has shown that how people respond to treatment for Bipolar Disorder may be influenced by their weight and the overall quality of their diet, including whether they are eating a diet high in foods thought to contribute to general inflammation. These are early results, but if replicated may mean that treatment of some mental health problems could benefit from the inclusion of dietary advice.

Gastric banding as effective as metformin in slowing prediabetes, type two diabetes ... read more
October 4, 2018
People with prediabetes or new-onset type 2 diabetes who had gastric banding, a type of bariatric surgery for weight loss, had similar stabilization of their disease to those who took metformin alone, according to a new study.

Tarragon supplements may make healthy women gain weight ... read more
October 4, 2018
Russian tarragon and bitter melon supplements may be less helpful for women than men when it comes to combating metabolic syndrome, whose symptoms include high blood sugar, high blood pressure and excess fat around the waist, a new study suggests.

Weight loss drug shows positive effect on diabetes ... read more
October 4, 2018
A new study has found that lorcaserin decreased risk for diabetes, induced diabetes remission and reduced risk of diabetes complications in obese and overweight patients.

A web-based program is as effective as group counseling for patients with non-alcoholic fatty liver disease ... read more
October 2, 2018
Lifestyle changes are the cornerstone of preventing and treating non-alcoholic fatty liver disease (NAFLD). Scientists report success in using web-based intervention to manage lifestyle changes in patients with NAFLD in a new six-year single-center study comparing group-based and web-based interventions.

Improved In vivo imaging of atherosclerotic plaque development ... read more
September 28, 2018
Researchers have developed a method for quantitatively assessing atherosclerotic plaque buildup in mice. They transplanted X-ray-irradiated low-density-lipoprotein-knockout mice with bone marrow cells expressing near-infrared fluorescent protein, which subsequently developed into fluorescent macrophages. These macrophages congregated specifically in atherosclerotic plaques that arose after feeding on a high-cholesterol diet. In vivo imaging detected the amount of aortic plaque formed and its change over time, which could help in assessing the efficacy of anti-atherosclerotic drugs.

Vitamin D supplements may promote weight loss in obese children ... read more
September 27, 2018
Vitamin D supplements may promote weight loss and reduce risk factors for future heart and metabolic disease in overweight and obese children, according to new research. These findings indicate that simple vitamin D supplementation may be part of an effective strategy to tackle childhood obesity and reduce the risk of serious health problems, such as heart disease, in adulthood.

Bariatric surgery linked to safer childbirth for the mother ... read more
September 26, 2018
Obese mothers who lose weight through bariatric surgery can have safer deliveries, according to an observational study. Positive effects include fewer caesarean sections, infections, tears and hemorrhages, and fewer cases of post-term delivery or uterine inertia.

Lifestyle intervention may mitigate weight gain due to ubiquitous contaminant ... read more
September 25, 2018
A new study finds that perfluoroalkyl and polyfluoroalkyl substances (PFASs) are associated with increases in weight, but exercise and diet may reduce the obesogenic effects of these environmental contaminants.

Screening using body mass index alone may miss every second preschooler with excess stomach fat ... read more
September 25, 2018
When assessing whether preschoolers are overweight, health professionals should use other measures such as waist-to-height ratio in addition to the body mass index (BMI). A study shows that this is because measuring the BMI of younger children often fails to identify those with excess stomach fat and possible associated health problems.

 


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