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The Fountain of Health Antiaging researchers could provide a powerful approach to treating the many diseases of old age. Do Dieting Monkeys Live Healthier and Longer Lives? Preliminary evidence from one of the largest studies of calorie-restricted diet in primates shows health benefits. The Genetic Secrets of Longevity A study of long-lived families will help isolate the genetic mysteries that allow some people to live disease-free into their nineties and beyond. Using Stem Cells to Cure Blindness Scientists are designing stem-cell-based therapies for degenerative retinal diseases. An Artificial Heart That Doesn't Beat A new concept for an artificial heart could solve some problems with older models--and test the idea that we don't need a pulse. Exercising the Brain Innovative training software could turn back the clock on aging brains. Related Stories The Upside to Nicotine? Q&A: Leonard Guarente Human Study Shows Benefits of Caloric Restriction Spotting Alzheimer's Early Technology's Elder Boom Detecting the Earliest Signs of Alzheimer's A New Take on the Body Clock The Longevity Gene Christmas in the Time of Calories

Advertisement Special Reports Homepage We've gathered our best writing on the most important topics of our time. View all of our special reports. More Special Reports Health Care: Stem Cell Science Breakthroughs in using these unique cells could revolutionize medicine. But will researchers overcome the scientific and ethical obstacles to making this happen?

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