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Lifespan

A new study raises questions about one of the favored theories of aging involving increasi...

A recent study suggests that, at least for worms, free radicals may not be the "bad guys" after all. It turns out that if you are a bacteria-eating worm of the species C. elegans, genetic modifications that raise your free radical levels don't have the negative effect expected, but instead serve to lengthen lifespan. Read More

An illustration of a telomerase molecule (Image: Sierra Sciences, LLC)

For many scientists who know about such things, the question isn’t whether the first person to live forever has been born, but how old they are. The basis for this belief is that, if a person can survive the next 20 or 30 years, then breakthroughs in biotechnology will easily allow them to extend their lifespan – not to mention their quality of life – to 125 years. From that point, the advances will keep coming to allow the prolonging of life indefinitely. One of the first steps towards such a reality has just been announced by a group of researchers who have discovered the first compound that activates an enzyme called telomerase in the human body. Read More

It doesn't seem to matter how the diet is restricted - whether fats, proteins or carbohydr...

Researchers at Mount Sinai School of Medicine have unraveled a molecular puzzle to reveal why a lower-calorie diet slows the development of some age-related conditions such as Alzheimer’s disease, as well as the aging process itself. In their search for an answer they discovered that it doesn’t seem to matter how the diet is restricted – whether fats, proteins or carbohydrates are cut – to produce protective effects against aging and disease. Read More

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