Medical research

Biologists find a way to boost intestinal stem cell populations

Cells that line the intestinal tract are replaced every few days, a high rate of turnover that relies on a healthy population of intestinal stem cells. MIT and University of Tokyo biologists have now found that aging takes ...

Medical research

Manipulating mitochondrial networks could promote healthy aging

Manipulating mitochondrial networks inside cells—either by dietary restriction or by genetic manipulation that mimics it—may increase lifespan and promote health, according to new research from Harvard T.H. Chan School ...

Medical research

Caloric restriction for anti-aging

(Medical Xpress)—The idea that reducing the amount of food you eat can slow metabolism and extend lifespan has been around for a while. Only recently has it become more mainstream. On sites like the popular Fight Aging ...

Medical research

Strict diet combats rare progeria aging disorders

Mice with a severe aging disease live three times longer if they eat thirty percent less. Moreover, they age much healthier than mice that eat as much as they want. These are findings of a joint study being published today ...

Medical research

Aging really is 'in your head'

Among scientists, the role of proteins called sirtuins in enhancing longevity has been hotly debated, driven by contradictory results from many different scientists. But new research at Washington University School of Medicine ...

Genetics

Anti-ageing hormone receptors

(Medical Xpress)—A reduced caloric intake increases life expectancy in many species. But how diet prolongs the lives of model organisms such as fruit flies and roundworms has remained a mystery until recently.

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