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Tag: "caloric" at biology news

Research on Worms Yields Clues on Aging

...t the drugs did notmimic the anti-aging effects of caloric restriction, because the wormshad abundant food and looked well-fed. The researchers alsodemonstrated that anticonvulsants did not extend life by protecting theworms from pathogenic bacteria in their environment.Ethosuximide and trimethadione did, ho...

Research may provide new link between soft drinks and weight gain

...fat than the mice that consumed water only. Total caloric intake was lower in the mice that consumed the fructose-sweetened water than in the other groups, except for the control animals provided with water only. "We were surprised to see that mice actually ate less when exposed to fructose-sweetened bever...

Researchers extend mouse lifespan by protecting against free radicals

...riments by managing their diets and reducing their caloric intake. Another method relied on the restriction of a growth factor, but a side effect was that the mice suffered from dwarfism. However, neither of those methods of elongating the mouse lifespan was clearly connected to the free-radical theory of ag...

Caloric restriction won't dramatically extend life span in humans: UCLA research

...y biologist John Phelan. "I once heard someone say caloric restriction may not make you live forever, but it ...sible solution. "With mice, if you restrict their caloric intake by 10 percent, they live longer than if they have unlimited access to food," Phelan said. "If...

New lifespan extension genes found

...l School. Drastically reducing calorie intake, or caloric restriction, is known to extend the lifespan of sp... a gene called Sir2 with lifespan extension due to caloric restriction, but worms and yeast that lack Sir2 also live longer when put on a tough diet, showing t...

New technique multiplies life span in simple organisms

... normal - when the SIR2 deletion was combined with caloric restriction and/or a mutation in one or two genes, RAS2 and SCH9, that control the storage of nutrients and resistance to cell damage. Human cells with reduced SIR2 activity also appear to confirm that SIR2 has a pro-aging effect, Longo said, althou...

Brainstem blocks pain to protect key behaviors

...g and pain relief, in a society where the risks of caloric plenty far exceeds those of predation, may even be related to obesity. "Are OFF cells promoting bravery," he asked, "or gluttony?" ...

UCLA paper examines how one disease may prevent another

...e culprit. Other diseases that benefit from severe caloric or protein restriction include kidney failure, type-II diabetes, inflammatory bowel disease and morbid obesity. Overall, Stiehm proposed that new evidence can be found for using certain viruses to treat diseases such as HIV, which do not respond to...

Thinner and younger

...ersity, demonstrated that stringent and consistent caloric restriction increased the maximum lifespan in mice... Restriction Society are devoted to limiting their caloric intake in hopes of improving their health and extending their lives. Society members, who call thems...

Biologists find regions of rice domestication

...rop for human consumption, supplying 20 percent of caloric content for the world. By finding the geographic origins of rice, researchers can consider ways to improve the crop's nutritional value and disease resistance, which in turn can help impoverished populations in Asia and elsewhere that rely heavily ...

Cutting calories slightly can reduce aging damage

...major importance because it shows a mild degree of caloric restriction - just enough to prevent weight gain with advancing age - can have beneficial effects against aging. From a scientific perspective, he added, it is important to learn that RNA is a very good marker of aging damage. "I'd never really thou...

Single molecule extends fat mice lives by reversing gene pathways associated with disease in obese

...inclair. "Resveratrol opposed the effects of high caloric intake in 144 out of 153 significantly altered pathways. In terms of gene expression and pathway comparison, the resveratrol fed group was more similar to the standard diet fed group than the high calorie group." Improved Health Biomarkers: Gluc...

Meat and two neutrons -- the key to a longer life

... to the point of near starvation, a process called caloric restriction. ...

Researchers find link between food odors and lifespan in fruit flies

...showed that longer lifespans in those subjected to caloric restriction were not simply a result of slower met... has aged. So we wanted to make sure the effect of caloric restriction wasn't just slowing the animals down, and we found that it wasn't. You can have a high m...

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