SA Special Editions

Modern genomes and ancient mummies offer clues to why the life span of Homo sapiens far exceeds that of other primates

As we grow old, our cells begin to betray us

The idea that free radicals cause aging and that vitamins might preserve our youth is now in doubt

Stress alone does not explain the longevity gap

The rise of senior citizens may have played a big role in the success of our species

Researchers have found ways to lessen age-related forgetfulness

To improve recall of words and faces, try associating them with locations

Are cholesterol-lowering drugs causing dementialike symptoms in some patients?

Staying sharp into old age is not just a matter of winning the genetic lottery

Being active is good for us for many reasons beyond the old familiar ones

Standing more could lower risk for obesity, illness and death, studies suggest

Intermittent fasting might improve health, at least according to research in animals

Contemplating our mortality can ease our angst and make our lives more meaningful

Drugs administered before symptoms appear could be key to combating the leading cause of dementia

An eye-tracking test may serve as a screen for predicting Alzheimer's

New drugs for Alzheimer's lag, but not for lack of trying

A new test can identify the disorder's early stages. How will it help patients?

New methods for growing and transplanting cells offer hope for treating Parkinson’s and other degenerative diseases

Human testing is under way or poised to start for brain cancer, multiple sclerosis, spinal injury, type 1 diabetes and "Lou Gehrig's" disease

As the number of older patients with cancer soars, researchers explore how best to treat them

Researchers have uncovered an ancient mechanism that retards aging. Drugs that tweaked it could well postpone cancer, diabetes and other diseases of old age

A chain reaction of toxic proteins may help explain major neurodegenerative diseases—and could suggest new treatment options

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

We would look a lot different if evolution had designed the human body to work well for a century or more

The key indicator for animals may be total energy expended over a lifetime