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Childhood Obesity
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Obesity news courtesy of Science Daily News

Sleep loss affects your waistline ... read more
May 22, 2017
Sleep loss increases the risk of obesity through a combination of effects on energy metabolism. This research will highlight how disrupted sleep patterns, a common feature of modern living, can predispose to weight gain, by affecting people’s appetite and responses to food and exercise.

Study shows differences in brain activity between men, women who are obese ... read more
May 19, 2017
A new study of obese people suggests that changes in their brains’ reward regions make them more prone to overeating, and that women and men exhibit different brain activity related to overeating.

Being overweight in childhood may heighten lifetime risk of depression ... read more
May 18, 2017
New research suggests that being overweight, especially from a young age, may substantially increase the lifetime risk of major depression.

Obesity is in the eye of the beholder ... read more
May 18, 2017
Doctors have a specific definition of what it means to be overweight or obese, but in the social world, gender, race and generation matter a lot for whether people are judged as 'thin enough' or 'too fat.'

Another reason to exercise: Burning bone fat a key to better bone health ... read more
May 18, 2017
It's a fat-burning secret anyone interested in bone health should know. For the first time, researchers show that exercising burns the fat found within bone marrow and offers evidence that this process improves bone quality and the amount of bone in a matter of weeks.

Migrant children less obese due to absent grandmothers ... read more
May 17, 2017
Children of migrants to Chinese cities have lower rates of obesity than youngsters in more affluent established urban families - probably because their grandparents are not around to over-feed them, a new study has found.

Following gastric band surgery, device-related reoperation common, costly ... read more
May 17, 2017
Among Medicare beneficiaries undergoing laparoscopic adjustable gastric band surgery, reoperation was common, costly, and varied widely across hospital referral regions, according to a study.

Young women's gradual weight gain lifts pregnancy blood pressure danger ... read more
May 17, 2017
Researchers are challenging women to start thinking about pre-pregnancy health sooner, with the finding that years of gradual weight gain more than doubles the risk of hypertensive disorders in pregnancy. The increased risk was due to weight change and occurred regardless of whether the woman's body mass index (BMI) was initially categorized as healthy or overweight.

Regular physical activity and reduced sedentary time reduces build-up of dangerous liver fat ... read more
May 16, 2017
New research shows that both regular physical activity and avoiding inactivity (sedentary behavior) help reduce build-up of dangerous liver fat, an important complication of obesity.

'Healthy' obese people still at higher risk of cardiovascular disease events than general population ... read more
May 16, 2017
New research shows that so-called 'metabolically healthy' obese people are still at higher risk of cardiovascular disease events such as heart failure or stroke than normal weight people.

Breast cancer risk is more affected by total body fat than abdominal fat ... read more
May 16, 2017
A reduction in overall body fat, rather than abdominal fat, is associated with lower levels of breast cancer markers. Levels of several breast cancer risk markers were reduced in postmenopausal women who lost total body fat, rather than just belly fat. These results emphasize the importance of maintaining a healthy weight and could influence the design of diet and exercise plans for overweight women.

Inflammatory signature of nonalcoholic fatty liver disease ... read more
May 16, 2017
A team of investigators has identified key inflammatory cells involved in nonalcoholic fatty liver disease. Current treatment for the disorder involves changes to diet, yet no medication has been approved for treatment. Findings from this study provide a potential therapeutic target and offer the possibility for developing a treatment.

Switching to a low-glycemic diet may stop age-related eye disease, study suggests ... read more
May 16, 2017
Development of age-related macular degeneration (AMD) could be arrested by switching from a high-glycemic to a low-glycemic diet, suggests a new study conducted in mice.

Popular weight-loss surgery puts patients at high risk for alcohol problems ... read more
May 16, 2017
One in five patients who undergo one of the most popular weight-loss surgical procedures is likely to develop problems with alcohol, with symptoms sometimes not appearing until years after their surgery, according to one of the largest, longest-running studies of adults who got weight-loss surgery.

Better than BMI: More accurate way to determine adolescent obesity ... read more
May 15, 2017
Researchers have found a new, more accurate way to determine if adolescents are overweight, important findings considering many school districts label adolescents -- who tend to be more vulnerable to weight bias and fat shaming than adults -- as obese.

Tamoxifen protects against obesity-related metabolic disorders ... read more
May 11, 2017
Tamoxifen is the gold standard for endocrine treatment of estrogen-receptor positive breast cancer. Tamoxifen is also known to have metabolic effects. A new study reports that the drug also prevents obesity, fatty liver, and insulin resistance in female mice who were fed a high-fat diet and whose ovaries had been removed. The study was also able to pinpoint which estrogen receptors underlie these protective effects, opening up possibilities for new therapies to treat these conditions.

Experts argue that obesity is a chronic, relapsing, progressive disease ... read more
May 10, 2017
Experts consider the argument for obesity as a chronic relapsing disease process. They note that obesity fits the epidemiological model of a disease process except that the toxic or pathological agent is food rather than a microbe.

Common sweetener in low-cal foods also a marker for weight gain ... read more
May 10, 2017
A new study has identified the sugar alcohol erythritol as a biomarker for increasing fat mass. In contrast to previous assumptions and research, erythritol can be metabolized by, and even produced in, the human body.

Diet rich in fruit, vegetables and whole grains may lower risk of gout ... read more
May 9, 2017
A diet rich in fruit and vegetables, nuts and whole grains and low in salt, sugary drinks, and red and processed meats, is associated with a lower risk of gout, whereas a typical 'Western' diet is associated with a higher risk of gout, finds a study.

Garden-enhanced intervention improved BMI, nutrition knowledge of California students ... read more
May 8, 2017
The factors that affect rates of childhood obesity are complex. For example, parent feeding practices have been shown to be influential, but that influence has also been shown to change with age. Factors such as access to fruits and vegetables and the availability of safe space for physical exercise have also been associated with a risk for obesity. Because schools can act as a focal point for engaging students, families, educators, administrators, and community members, researchers implemented and evaluated a multicomponent, school-based nutrition intervention in an attempt to improve children's dietary behaviors and prevent childhood obesity.

New findings may explain the advantages of polyunsaturated fat ... read more
May 8, 2017
Previous research has demonstrated that saturated fat is more fattening and less muscle building than polyunsaturated fats. A new study shows that the choice of fat causes epigenetic changes which in turn could contribute to differences in fat storage.

Cinnamon may lessen damage of high-fat diet in rats ... read more
May 6, 2017
Cinnamon may lessen the risk of cardiovascular damage of a high-fat diet by activating the body's antioxidant and anti-inflammatory systems and slowing the fat-storing process, according to a preliminary animal study.

Your muscles can 'taste' sugar ... read more
May 4, 2017
It's obvious that the taste buds on the tongue can detect sugar. And after a meal, beta cells in the pancreas sense rising blood glucose and release the hormone insulin—which helps the sugar enter cells, where it can be used by the body for energy. Now researchers have uncovered an unexpected mechanism of glucose sensing in skeletal muscles that contributes to the body's overall regulation of blood sugar levels.

Exosomes derived from very obese patients' fat send wrong signals throughout body ... read more
May 4, 2017
Exosomes isolated from very obese patients behave very differently than those derived from lean patients and may be key players in heightening youths' likelihood of developing atherosclerosis -- which, in turn, places them at higher risk for suffering heart disease and stroke as adults.

Improving control of age-related obesity ... read more
May 4, 2017
The function and distribution of adipose tissue in the body change during the course of life. Beige fat cells, a special type of adipocytes, have the capability to use energy reserves – fatty deposits – by generating heat in a process known as thermogenesis. With increasing age, beige adipocytes take on the morphology of white adipocytes. Thermogenic activity ceases and with it the cells' ability to burn fat. As a result, the risk of obesity increases. A team has now proven that the epigenetic enzyme lysine specific demethylase 1 (Lsd1) plays a key role in this transformation.

Discovery in mice could lead to new class of medications to fight mid-life obesity ... read more
May 2, 2017
A team of scientists has identified an enzyme that could help in the continuous battle against mid-life obesity and fitness loss. The discovery in mice could upend current notions about why people gain weight as they age, and could one day lead to more effective weight-loss medications.

'Exercise-in-a-pill' boosts athletic endurance by 70 percent ... read more
May 2, 2017
Sedentary mice given the drug ran longer without training.

Weight loss can slow down knee joint degeneration ... read more
May 2, 2017
Overweight and obese people who lost a substantial amount of weight over a 48-month period showed significantly lower degeneration of their knee cartilage, according to a new study.

Modest increases in kids' physical activity could avert billions in medical costs ... read more
May 1, 2017
Increasing the percentage of elementary school children in the United States who participate in 25 minutes of physical activity three times a week from 32 percent to 50 percent would avoid $21.9 billion in medical costs and lost wages over the course of their lifetimes, new research suggests.

Is alternate-day fasting more effective for weight loss? ... read more
May 1, 2017
Alternate day fasting regimens have increased in popularity because some patients find it difficult to adhere to a conventional weight-loss diet. A new article reports on a randomized clinical trial that compared the effects of alternate-day fasting with daily calorie restriction on weight loss, weight maintenance and indicators of cardiovascular disease risk.

Personalized psychiatry matches therapy to specific patients with depression ... read more
May 1, 2017
Selecting the antidepressant that will be most effective for a specific patient suffering from depression can be a 'try and try again' process. Examining new personalized and precision psychiatry approaches, a new study shows that body mass index, sex of the patient, and symptom profile can be used to determine a personalized treatment that guides antidepressant choice and significantly improves patient outcome.

New appetite control mechanism found in brain ... read more
April 28, 2017
A newly discovered molecule increases appetite during fasting, and decreases it during gorging. The neuron-exciting protein, named NPGL – apparently aims to maintain body mass at a constant, come feast or famine. An evolutionary masterstroke, but not great news for those looking to trim down, or beef up for the summer.

Overweight/obese people with diabetes at increased risk of brain abnormalities ... read more
April 27, 2017
Overweight and obese individuals with early stage type 2 diabetes (T2D) had more severe and progressive abnormalities in brain structure and cognition compared to normal-weight study participants, research indicates.

Physical activity helps to counteract weight gain from obesity-causing gene variant ... read more
April 27, 2017
Physical activity can reduce the weight-gaining effects of the genetic variant that carries the greatest risk of obesity, report.

Want to better comply with dietary guidelines, and save money? Cook dinner at home ... read more
April 26, 2017
The best culinary paths to better health are not always paved with cash, new research shows, and cooking at home can provide the best bang-for-the-buck nutritionally as well as financially.

People with a normal BMI who carry weight around the middle at greatest risk of death ... read more
April 26, 2017
People with a normal BMI who carry their weight around the middle are at the highest risk of death from any cause compared to those who are overweight or obese but carry their weight elsewhere, new research has found.

Risk of obesity influenced by changes in our genes ... read more
April 26, 2017
A child's risk of obesity as they grow up can be influenced by modifications to their DNA prior to birth, a new study has shown. These changes, known as epigenetic modifications, control the activity of our genes without changing the actual DNA sequence. One of the main epigenetic modifications is DNA methylation, which plays a key role in embryonic development and the formation of different cell types, regulating when and where genes are switched on.

Obesity amplifies genetic risk of nonalcoholic fatty liver disease ... read more
April 26, 2017
An international study has revealed a striking genetic-environmental interaction: Obesity significantly amplifies the effects of three gene variants that increase risk of nonalcoholic fatty liver disease (NAFLD) by different metabolic pathways.

Vitamin a and a high-fat diet increasing risk for obesity, diabetes ... read more
April 25, 2017
Vitamin A is an essential nutrient that the human body needs to function properly. But new research suggests that normal levels of vitamin A within a high-fat diet can negatively affect expression of liver genes associated with glucose and fat metabolism.

One step closer to an 'exercise pill' ... read more
April 25, 2017
Studies show obese people produce elevated levels of a protein called myostatin. A new study shows suppressing myostatin enhanced muscle mass and dramatically improved markers of heart and kidney health in mice, suggesting a promising avenue for new drugs to counter obesity.

Childhood obesity quadruples risk of developing type 2 diabetes ... read more
April 25, 2017
Children with obesity face four times the risk of developing type 2 diabetes compared to children with a body mass index (BMI) in the normal range, according to a new study.

'Diet' products can make you fat, study shows ... read more
April 25, 2017
High-fat foods are often the primary target when fighting obesity, but sugar-laden 'diet' foods could be contributing to unwanted weight gain as well.

Mental illness does not affect bariatric surgery weight loss results ... read more
April 25, 2017
A new study compares bariatric surgery outcomes according to preoperative mental illness. Results indicates that the state of mental illness does not affect weight loss results.

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.

 


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