SA Special Editions

People in their late 90s or older are often healthier and more robust than those 20 years younger. Traditional views of aging may need rethinking

Immortality may not be in the Cards, but Worms, Flies and Pigeons may be able to Teach us a Thing or Two About Living Better Longer

An American man's average life span is more than five years shorter than a woman's. Differing hormone levels and lifestyle choices may help explain the disparity

In theory, it certainly can be. Yet no single elixir will do the trick. Antiaging therapies of the future will undoubtedly have to counter many destructive biochemical processes at once

There may be a way to prevent ourselves from rusting from the inside out

In government laboratories and elsewhere, scientists are seeking a drug able to prolong life and youthful vigor. Studies of caloric restriction are showing the way

Whether they're counting minutes or years, biological clocks keep our brains and bodies on time, perhaps even on schedule for death

It causes chest pain, heart attack and stroke, leading to more deaths every year than cancer. The long-held conception of how the disease develops turns out to be wrong

Recent evidence challenges long-held theories of how cells turn malignant--and suggests new ways to stop tumors before they spread

The bone decay of osteoporosis can cripple, but an improved understanding of how the body builds and loses bone is leading to ever better prevention and treatment options

Engineers are creating artificial replacements for failing hearts, kidneys, pancreases and livers

The fight against two life-robbing diseases, Alzheimer's and Parkinson's, has just begun

Whether old age is worth living depends largely on mental health

Fifty-one scientists who study aging have issued a warning to the public: no antiaging remedy on the market today has been proved effective. Here's why they are speaking up