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Tag: "obesity" at biology news

Learning and memory stimulated by gut hormone

...rning hours at school," said Horvath. "The current obesity epidemic among American school children, which to ...ainst certain forms of dementia, because aging and obesity are associated with a decline in ghrelin levels and an increased incidence of conditions of memory l...

Clock molecule's sensitivity to lithium sheds light on bipolar disorder

...the circadian clock and metabolic diseases such as obesity and diabetes. "There is a dynamic interplay between circadian rhythms and metabolism," Lazar says. "You don't eat while you are sleeping, and the body needs to take this into account." Study co-authors are Lei Yin and Jing Wang, both from Penn. The ...

Darkness unveils vital metabolic fuel switch between sugar and fat

...erged from the dark also presents a new target for obesity and type 2 diabetes research. A series of experim...ger-term possibility of 5'-AMP-based therapies for obesity or type 2 diabetes. ...

Rutgers researchers find fat gene

...rovides an important clue to further understanding obesity and may point the way to new drugs to control fat ...fat in humans, treating conditions that range from obesity to the loss of fat beneath the skin, as seen in HIV patients, " said George M. Carman, a professor i...

Study by Einstein researchers could lead to a novel strategy for treating obesity

...tically increased the rats' food intake and led to obesity that was maintained for at least four months. "We...uld lead to innovative therapies not only to treat obesity but to help prevent diabetes and other consequences of being overweight." ...

Removing DNA repair gene causes metabolic syndrome

... repair enzyme NEIL1 causes them to develop severe obesity and reach nearly twice the weight of their normal counterparts. The mice, according to the study appearing in the Proceedings of the National Academy of Sciences, also had enlarged, fatty yellow livers, insulin levels four times higher than normal, e...

Two NIH initiatives launch intensive efforts to find roots of common diseases

... chronic diseases like diabetes, childhood asthma, obesity or autism cannot be due to major shifts in the human gene pool. They must be due to changes in the environment, including diet and physical activity, which may produce disease in genetically predisposed persons. Therefore, GEI will also invest in inn...

Insects and mammals share common fat-building pathway, study suggests

...an metabolic disease of altered adiposity, such as obesity and lipodystrophy," agreed Evan Rosen of Beth Isra...e body, such as muscle or liver. "The 'problem' in obesity is energy balance that is out of whack, and not a surfeit of adipocytes (fat cells) per se." Regard...

Hap1 protein links circulating insulin to brain circuits that regulate feeding behavior in mice

...ng behavior." "Scientists know that diabetes and obesity are related to abnormalities of hypothalamic funct...ted, Òthe new work opens up additional targets for obesity research. For example, a drug that decreases Hap1 in the hypothalamus would decrease the electrical...

Genes affecting blood pressure change as children become adults

...tumultuous times. Researchers left much-discussed obesity out of this equation, focusing instead on genes and environmental factors directly influencing blood pressure and hemodynamics. The huge twin cohort and some complex mathematical modeling made it possible to quantify the role of genetics. They foun...

Major obesity gene is 'lost in the shuffle'

...he jungles of Southeast Asia, do not carry a major obesity gene that is present in the genomes of all other primates, including humans. This omission is due to a genetic mis-shuffling event that occurred approximately 25 million years ago. Their results are reported in the April issue of the scientific jour...

Epidemic of unneeded amputations

...y arterial blockages related to diabetes, smoking, obesity and vascular system complications ?are occurring at an alarming rate. Yet physicians may be too quick to amputate as 85 percent of them may be preventable, according to the International Diabetes Foundation. Amputations are not only disfiguring and ...

It's not fair! We are programmed to resist weight loss

...will be presented at an international gathering of obesity experts hosted by QUT this week. Queensland University of Technology appetite regulation and energy balance researcher Dr Neil King, from the Institute of Health and Biomedical Innovation (IHBI), said our bodies have strong mechanisms to defend att...

Chewing up a key regulator of fat synthesis keeps mice lean despite a high-fat diet

...fat." All this is good news for the fight against obesity and the disorders characterized by insulin-resistance known as "metabolic syndrome." Most people with insulin resistance will develop type 2 diabetes within 10 years, unless they lose 5 to 7 percent of their body weight--about 10 to 15 pounds for som...

Today's babies are fatter babies

...re and appears in the July issue of Obesity. "The obesity epidemic has spared no age group, even our younges...he first few months after birth is associated with obesity later in life," says Gillman. According to the Centers for Disease Control and Prevention's nation...

Sleep deprivation doubles risks of obesity in both children and adults

.... Professor Cappuccio says: "The 'epidemic' of obesity is paralleled by a 'silent epidemic' of reduced sl...h short sleep duration linked to increased risk of obesity both in adults and in children.These trends are detectable in adults as well as in children as young...

Some people would give life or limb not to be fat

...of the people responding to an online survey about obesity said they would give up a year of their life rather than be fat, according to a study by the Rudd Center for Food Policy and Obesity at Yale. The 4,000 respondents in varying numbers between 15% and 30% also said they would rather walk away from the...

Diabetes hits 275 Australians each day as pandemic spreads

... "With 275 new cases of diabetes and 600 cases of obesity occurring each day, we now have compelling proof that Australia's diabetes epidemic is in full flight." Professor Zimmet said. In addition to measuring the development of new cases, the follow-up study showed that during the last 5 years: People's...

Speeding the search for elusive chromosomal errors

...f several genes in Prader-Willi syndrome may cause obesity and mental retardation. To seek out miniscule rearrangements in chromosomes, the Children's Hospital team employed the types of gene chips, or microarrays, originally designed to identify genes involved in common, complex diseases like diabetes and ...

UCLA study finds same genes act differently in males and females

...netic clues related to mental illnesses, diabetes, obesity and atherosclerosis. Humans and mice share 99 percent of their genes. The scientists focused on gene expression -- the process by which a gene's DNA sequence is converted into cellular proteins. With the help of Rosetta Informatics, the team scru...

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