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Tag: "youth" at biology news

Wisconsin researchers identify sleep gene

...er and more deeply. Flies also sleep more in their youth than later in life, when their sleep is fragmented, as with humans. In other studies, the scientists also observed that caffeine has the same stimulating effects on human and fly sleep, and that similar genes are expressed in both species when they ...

Canadian youth 4th highest in international obesity study

Canadian youth rank fourth-highest on the obesity scale in a new ...th overall for obesity (at 4.1 per cent), Canadian youth ranked fifth for "overweight" (19.3 per cent). The three countries with the highest prevalence of ob...

Youth With HIV Take More Risks After New Meds Introduced

...urnal of Health Behavior. A group of HIV-positive youth studied between 1999 and 2000 reported having more...nprotected sex and more drug use than HIV-positive youth studied between 1994 and 1996, say Marguerita Lightfoot, Ph.D. and colleagues at the UCLA AIDS Insti...

Rutgers researchers scientifically link dancing ability to mate quality

... to the same song, popular at the time in Jamaican youth culture. The researchers affixed infrared reflectors on 41 body locations of each dancer, from head-to-toe and arm-to-arm, to capture and measure detailed body movements. They fed data into programs that first created dancing animations of stick figu...

What animals can tell us about hemorrhage, organ transplants and aging

...ave suffered massive blood loss. No fountain of youth -- yet Human life expectancy has been greatly enhanced by advances in disease prevention and treatment. But what do we know about how and why we age, and can we slow the aging process? In the symposium, "Comparative biology of aging in long-live...

It's never too late to get it back! Aging interrupted

... turn over more cells ?a situation associated with youth and good health. Dr. Spindler and his colleagues used their screening method to search for drugs which cause pre-cancerous and cancerous cells to commit suicide and to replace those cells with new, healthy cells. It is thought that the body does th...

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