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Childhood Obesity
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Obesity news courtesy of Science Daily News

Physical activity may ward off heart damage ... read more
April 24, 2017
Physical activity can lower the risk of heart damage in middle-aged and older adults and reduce the levels of heart damage in people who are obese, according to research.

Challenging the current approach to Glut1 deficiency ... read more
April 24, 2017
Researchers have discovered that diet changes and early diagnosis could help outcomes for patients with Glucose Transporter Type 1 Deficiency, a rare pediatric neurological disorder that can cause motor developmental problems and trigger seizures and epilepsy.

Maternal high-fat diet may increase offspring risk for liver disease ... read more
April 24, 2017
A new mouse study suggests that exposure to a high-fat diet in the womb and immediately after birth promotes more rapid progression of nonalcoholic fatty liver disease later in life. Nonalcoholic fatty liver disease is the most common chronic liver disease diagnosed in adults and children.

Could genetics influence what we like to eat? ... read more
April 24, 2017
Gene variants could affect food preferences in healthy people, according to a new study. The findings could lead to new strategies that make it easier for people to stick to an optimal diet.

Little kids' regular bedtimes and ability to regulate emotions may lessen obesity risk ... read more
April 24, 2017
Family structure including regular bedtimes, mealtimes and limited screen time appear to be linked to better emotional health in preschoolers, and that might lower the chances of obesity later, a new study suggests.

When liver immune cells turn bad ... read more
April 21, 2017
A high-fat diet and obesity turn 'hero' virus-fighting liver immune cells 'rogue,' leading to insulin resistance, a condition that often results in type 2 diabetes, according to research.

Diet high in animal protein is associated with NAFLD in overweight people ... read more
April 21, 2017
A diet high in animal protein was associated with a higher risk of non-alcoholic fatty liver disease (NAFLD), a condition in which fat builds up in the liver, new research has found. These findings demonstrated that fructose consumption per se might not be as harmful as previously assumed.

Post-biotics may help shield obese from diabetes ... read more
April 20, 2017
It was previously thought that bacteria only caused problems such as higher inflammation and higher blood glucose. But this is only half of the story. Now researchers have discovered that a specific component of bacteria actually lowers blood glucose and allows insulin to work better during obesity.

Low-fat dairy linked to lower tendency towards depression ... read more
April 18, 2017
People who consume low-fat milk and yogurt, rather than whole-fat dairy products, are less likely to have depression, according to researchers.

Do BAT receptors hold the key to treating obesity and diabetes? ... read more
April 17, 2017
Scientists have discovered a way to increase the amount of metabolism-boosting brown adipose tissue (BAT) ('good' fat) by employing two receptors on BAT cells as potential therapeutic targets.

Sympathetic nervous system key to thermogenesis, new study suggests ... read more
April 17, 2017
The sympathetic nervous system, not white blood cells, is critically important in the regulation of energy expenditure and thermogenesis, researchers reveal in a new report.

Both too much, too little weight tied to migraine ... read more
April 12, 2017
Both obesity and being underweight are associated with an increased risk for migraine, according to a meta-analysis. The researchers looked at all available studies on body mass index (BMI) and migraine.

Intestinal bacteria may protect against diabetes ... read more
April 11, 2017
A high concentration of indolepropionic acid in the serum protects against type 2 diabetes, shows a new study. Indolepropionic acid is a metabolite produced by intestinal bacteria, and its production is boosted by a fibre-rich diet. According to the researchers, the discovery provides additional insight into the role of intestinal bacteria in the interplay between diet, metabolism and health.

Obesity in Hispanic adolescents linked to nearly sixfold increase in high blood pressure ... read more
April 11, 2017
Obesity raises the prevalence of high blood pressure among adolescents but the increase is particularly pronounced among Hispanics compared to white, African-American or Asian ethnic groups, according to a study by researchers.

Protein hampers the positive power of brown and beige fat ... read more
April 10, 2017
Too much of a protein already associated with prostate cancer appears to also diminish the energy burning power of brown fat, scientists report.

What obese fruit flies may tell us about the evolution of cold tolerance ... read more
April 10, 2017
Researchers have hypothesized that migrations into higher, colder latitudes may lead to evolution of fast-burning metabolisms that keep cells warm in chilly conditions. In a new article, researchers show that a gene that has previously been identified as one of the key genes in humans that differs in people from arctic latitudes and people from tropical latitudes, helps flies burn energy from fat. When the gene is knocked out, flies become obese and burn less energy.

Big women have nearly threefold greater risk of atrial fibrillation ... read more
April 7, 2017
Big women have a nearly threefold greater risk of atrial fibrillation than small women, according to new research. The study included 1.5 million women who were followed-up for more than 30 years.

To eat or not to eat (before exercising): That is the question ... read more
April 6, 2017
Exercise enthusiasts often wonder whether it’s better to eat or fast before a workout. A new study is the first of its kind to show the effects of eating versus fasting on gene expression in adipose (fat) tissue in response to exercise. This difference highlights the different roles fat plays in powering and responding to exercise.

Expanding waistlines and metabolic syndrome: Researchers warn of new 'silent killer' ... read more
April 6, 2017
For decades, American waistlines have been expanding and there is increasing cause for alarm. Researchers now make the case that metabolic syndrome -- a cluster of three of more risk factors that include abdominal obesity, high triglycerides, high blood pressure, abnormal lipids, and insulin resistance, a precursor of type 2 diabetes -- is the new 'silent killer,' analogous to hypertension in the 1970s.

Inflammatory bowel disease, nonalcoholic fatty liver disease may be linked, suggests research ... read more
April 5, 2017
Patients who have inflammatory bowel disease (IBD) for more than two decades have a higher risk of developing nonalcoholic fatty liver disease (NAFLD), new research concludes.

Fruits and vegetables' latest superpower? Lowering blood pressure ... read more
April 5, 2017
A new study links increased dietary potassium with lower blood pressure.

Gut microbe may improve fatty liver ... read more
April 5, 2017
Oral administration of a commensal gut microbe, Faecalibacterium prausnitzii, improves fatty liver in mice. F. prausnitzii is considered one of the most important bacterial indicators of a healthy gut. It has been shown to reduce inflammatory diseases in mice but its effects on liver have never before been studied.

Birth weight is risk factor for fatty liver disease in children ... read more
April 4, 2017
The impact of low and high birth weights in developing Non Alcoholic Fatty Liver Disease (NAFLD), a chronic disease that often leads to a need for organ transplantation, has been demonstrated in a new research study.

Participation in a weight management program reduces job absenteeism ... read more
April 4, 2017
Individuals with obesity who enrolled in a structured weight loss program report fewer hours missed from work after six months in the program, according to a study being presented Sunday at the Endocrine Society's 99th annual meeting in Orlando, Fla.

Vitamin D deficiency may indicate cardiovascular disease in overweight and obese children ... read more
April 4, 2017
In overweight and obese children and adolescents, vitamin D deficiency is associated with early markers of cardiovascular disease, a new study reports.

Even 'healthy' weight gain raises pregnancy diabetes risk ... read more
April 4, 2017
Mothers who gain weight in the years leading up to pregnancy have an increased risk of gestational diabetes. Women gaining more than 2.5 percent of their body weight each year tripled their risk of gestational diabetes compared to women who maintained a stable weight. This risk doubled for women with a small weight gain (1.5 to 2.5 percent). Even women with small weight gains within the healthy BMI range doubled their risk of gestational diabetes.

Weight history over time shows higher risk of death for overweight, obese people ... read more
April 3, 2017
People who are obese or overweight at some point in their adult lives have an elevated risk of death from cardiovascular disease, cancer and other causes, according to a new study by researchers from the Boston University School of Public Health (BUSPH) and the Harvard T.H Chan School of Public Health.

Race ranks higher than pounds in diabetes, heart-health risks ... read more
April 3, 2017
Americans of South Asian descent are twice as likely as whites to have risks for heart disease, stroke and diabetes, when their weight is in the normal range, according to a study.

Being overweight at any point in adulthood increases risk for death ... read more
April 3, 2017
People who are obese or overweight at some point in their adult lives have an elevated risk of death from cardiovascular disease, cancer and other causes. Analyzing weight history over a period of time, rather than at a single point, reversed the paradoxical association between excess weight and reduced mortality that had been seen in previous studies.

Brain signals after a meal respond to food pictures more in obese than lean kids ... read more
April 3, 2017
Brain signals that should help tell us we are full after eating appear to be dulled in obese children, according to preliminary results.

Magnetic brain stimulation causes weight loss by making gut bacteria healthier ... read more
April 3, 2017
A new study finds that a noninvasive electromagnetic brain stimulation technique helps obese people lose weight, partly by changing the composition of their intestinal bacteria -- the so-called gut microbiota.

Early-life BPA exposure reprograms gene expression linked to fatty liver disease ... read more
April 2, 2017
Exposure during infancy to the common plasticizer bisphenol A (BPA) "hijacks" and reprograms genes in the liver of newborn rats, leading to nonalcoholic fatty liver disease (NAFLD) in adulthood. A new study has found how this process occurs.

Giving brown fat a green light ... read more
March 29, 2017
Since the discovery in 2009 that brown fat can be active in adult humans, researchers around the world have worked to unveil ways to switch on this fat. Scientists have now identified a new route to throw the switch.

Can childhood obesity be prevented before conception? ... read more
March 29, 2017
A research team has received federal funding to determine if childhood obesity can be prevented before women become pregnant.

High-fat diet during pregnancy compromises offspring's lung health ... read more
March 29, 2017
Women who follow a high-fat diet during pregnancy may increase their children’s risk for asthma. A mouse study suggests that consistent consumption of fat-laden foods may change the immune response of the offsprings’ respiratory system.

A novel role as appetite suppressant for BH4, a well-known enzyme cofactor ... read more
March 28, 2017
Researchers have identified a molecule sent by fat cells to the fly brain that senses when they have had enough food and inhibits feeding.

'Medicinal food' diet counters onset of type 1 diabetes ... read more
March 27, 2017
Researchers have found -- for the first time -- that a diet yielding high amounts of the short-chain fatty acids acetate and butyrate provided a beneficial effect on the immune system and protected against type 1 or juvenile diabetes.

Obese people have lower pain threshold, new research shows ... read more
March 27, 2017
An extra layer of fat won’t provide a cushion against pain – in fact, obese people are more sensitive to pressure pain than those who are not overweight, and they are equally susceptible to extremes of hot and cold.

Rare genetic forms of obesity more numerous, diverse than previously thought ... read more
March 27, 2017
In their search of seven databases and analysis of 161 papers, researchers found that 79 obesity syndromes have been previously reported. Of the 79 syndromes, 19 have been genetically solved, to the point where a lab test could confirm a doctor's suspicions. Another 11 have been partially clarified, and 27 have been mapped to a chromosomal region. For the remaining 22 syndromes, neither the gene(s) nor the chromosomal location(s) have yet been identified.

Liver fully recovers from a low protein diet ... read more
March 27, 2017
Damage caused to the liver by a low protein diet can be repaired, according to new research.

Survivors of childhood brain tumors have increased body fat ... read more
March 24, 2017
New research findings suggest that one of the most important risk factors for heart disease and type 2 diabetes, which is excess total and central fat in the body, is present relatively early in survivors of childhood brain tumors. This may program their future risk of these diseases and impact their outcomes.

Cooking family meals, skipping TV during those meals linked to lower odds of obesity ... read more
March 23, 2017
Adults who don’t flip on the TV during dinner and those who eat home-cooked meals are less likely to be obese, a new study has found. But the frequency of family meals doesn’t appear to make much of a difference.

Blood fatty acids reveal your child's diet ... read more
March 23, 2017
Eating lots of sugary candy may strain the liver, alter the body’s fatty acid metabolism and increase the risk of cardiometabolic diseases already in childhood. Children’s blood fatty acid composition reflects their diet – but luckily this composition can be influenced by lifestyle interventions, say researchers.

Pre-pregnancy BMI directly linked to excess pregnancy weight gain ... read more
March 21, 2017
It's well known that excessive weight gain during pregnancy can have a lasting negative impact on the health of a mother and her baby. A new study finds that for young mothers (women who gave birth between the ages of 15 and 24), pre-pregnancy body mass index, or BMI, and ethnicity might signal a likelihood for obesity later in life.

Insulin resistance may lead to faster cognitive decline ... read more
March 21, 2017
Insulin resistance, caused in part by obesity and physical inactivity, is also linked to a more rapid decline in cognitive performance, new research suggests.

Healthy weight gain in infants ... read more
March 20, 2017
With nearly 10 percent of infants considered 'high weight for length,' researchers want to help babies achieve a healthy weight starting with their first months of life. Preliminary findings have shown that babies on a cow's milk formula have accelerated weight gain, compared to babies fed a hydrolyzed protein formula, who have weight gain similar to breastfed infants.

Indigenous South American group has healthiest arteries of all populations yet studied, providing clues to healthy lifestyle ... read more
March 17, 2017
An 80-year-old from the Tsimane (pronounced chee-MAH-nay) group had the same vascular age as an American in his or her mid-fifties, suggests a new report. The Tsimane people -- a forager-horticulturalist population of the Bolivian Amazon -- have the lowest reported levels of vascular aging for any population, with coronary atherosclerosis (hardening of the arteries) being five times less common than in the US, the research shows.

Fat cells step in to help liver during fasting ... read more
March 17, 2017
How do mammals keep two biologically crucial metabolites in balance during times when they are feeding, sleeping, and fasting? The answer may require rewriting some textbooks, say investigators.

Women, particularly minorities, do not meet nutrition guidelines shortly before pregnancy ... read more
March 17, 2017
Black, Hispanic and less-educated women consume a less nutritious diet than their well-educated, white counterparts in the weeks leading up to their first pregnancy, according to the only large-scale analysis of preconception adherence to national dietary guidelines. The study also found that, while inequalities exist, none of the women in any racial and socioeconomic group evaluated achieved recommendations set forth by the Dietary Guidelines for Americans.

New role for immune cells in preventing diabetes and hypertension ... read more
March 17, 2017
Immune cells which are reduced in number by obesity could be a new target to treat diseases such as type 2 diabetes and hypertension that affect overweight people, according to a collaborative study.

Agriculture, dietary changes, and adaptations in fat metabolism from ancient to modern Europeans ... read more
March 16, 2017
Evolutionary biologists are weighing in based on the increasing power of DNA analyses to explore how changes in diet over eons have caused human adaptations to genes regulating fat metabolism. Researchers examined data from 101 Bronze Age individuals, and present-day human data from the 1000 Genomes Project. His team analyzed adaptive mutations in the FADS region in Europeans, to determine which mutations might have been targeted by recent natural selection in Europeans and to investigate the physiological effects of the mutations.

Effects of gut flora revisited ... read more
March 16, 2017
Changes in gut microbiota after unhealthy diet may protect from metabolic disease.

'No fat' or 'no sugar' label equals no guarantee of nutritional quality ... read more
March 15, 2017
Terms such as no-fat or no-sugar, low-fat or reduced-salt on food packaging may give consumers a sense of confidence before they purchase, but these claims rarely reflect the actual nutritional quality of the food, according to a new study.

Whole-body vibration may be as effective as regular exercise ... read more
March 15, 2017
A less strenuous form of exercise known as whole-body vibration (WBV) can mimic the muscle and bone health benefits of regular exercise in mice, according to a new study. WBV consists of a person sitting, standing or lying on a machine with a vibrating platform. When the machine vibrates, it transmits energy to the body, and muscles contract and relax multiple times during each second.

Study links sulfide-producing bacteria and colon cancer in African-Americans ... read more
March 15, 2017
A new study reveals that African-Americans have measurable differences in the number and type of bacteria that live in the colon -- and those differences are related to their higher-than-average colon cancer risk.

Bariatric surgery impacts joint replacement outcomes in very obese patients ... read more
March 14, 2017
In morbidly obese patients, bariatric surgery performed prior to a total hip or knee replacement can reduce in-hospital and 90-day postoperative complications and improve patient health, but it does not reduce the risk of needing a revision surgery, report researchers.

Cooking at home tonight? It's likely cheaper and healthier, study finds ... read more
March 14, 2017
People who cook at home more often, rather than eating out, tend to have healthier overall diets without higher food expenses. Lack of time often prevents people from preparing their own nutritious meals. People with larger households and more children were more likely to cook at home. Income and education did not influence who was more likely to eat fast food.

Probiotics may not always be a silver bullet for better health ... read more
March 14, 2017
Researchers have investigated the impact of probiotics on gut health and cognitive function. In rats fed on 'junk' diets, the probiotic medicine was able to significantly impact microbial composition in the gut and prevent memory loss. But for rats on a healthy diet, the probiotic did little to influence microbial composition and actually impaired memory function.

Study indicates promising new approach to prevent and treat cholesterol gallstones ... read more
March 13, 2017
A new study reports on a promising new approach to prevent and treat cholesterol gallstone disease (CGD) that reduces the biliary output of cholesterol via activation of receptors present in tissues of the liver and small intestine.

Study identifies African-specific genomic variant associated with obesity ... read more
March 13, 2017
An international team of researchers conducted the first study of its kind to look at genomic underpinnings of obesity in continental Africans and African-Americans. They discovered that approximately 1 percent of west Africans, African-Americans and others of African ancestry carry a genomic variant that increases their risk of obesity and provides insight into why obesity clusters in families.

 


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