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New Knee May Improve Balance (HealthDay)
HealthDay - THURSDAY, March 11 (HealthDay News) -- A knee replacement can help improve an elderly person's balance, according to a new study.

Driving With Early Alzheimer's May Be Ill-Advised (HealthDay)
HealthDay - FRIDAY, March 12 (HealthDay News) -- Elderly people with failing memories often keep driving, but a study of Alzheimer's patients suggests the risk of getting lost -- even on familiar streets -- may be greater than once thought.

Longtime Smokers May Find Protection From Parkinson's (HealthDay)
HealthDay - WEDNESDAY, March 10 (HealthDay News) -- In an effort to understand the relationship between tobacco smoke and Parkinson's disease, researchers have found that smoking for many years may reduce risk for the disease but smoking a large number of cigarettes a day does not seem to reduce risk.

Smoking years key factor in lower Parkinson's risk (Reuters)
Reuters - Several studies have shown that smokers have a lower risk of developing Parkinson's disease. A new study shows that it's how many years of smoking a person has under their belt -- rather than how much they smoke every day -- that matters.

Even in Old Age, Men Want Sex More Than Women (Time.com)
Time.com - Data suggest that men want sex more, have more sex and enjoy it more than women. That holds true even into their 70s.

Two of oldest in the world die on same day

Two of the oldest people in the world have died on the same day.

How to grow old gracefully
Experts say old age need not be marked by disease and disability. Older adults can take action, even well into their 60s and 70s, to reduce the risk of developing chronic disease and avoid injury.
Chronic - Health - Disease - Conditions and Diseases - Old age

Senior tokers turn to pot as they age

In her 88 years, Florence Siegel has learned how to relax: A glass of wine. A copy of The New York Times, if she can wrest it from her husband. Some classical music, preferably Bach. And every night, she lifts a pipe to her lips and smokes marijuana.

Gene mutation speeds up the aging process
Scientists have found specific genetic variants which may explain why some people age earlier than others and say their findings have important implications for understanding cancer and age-related diseases.
Mutation - Gene - Biology - Genetics - Eukaryotic

Adults may need less sleep as they age
How much sleep we need is largely a mystery, and sleep seems tougher to come by as we age. Many studies — often funded by the pharmaceutical industry — have suggested that we're all sleep-deprived zombies, risking our health for lack of shut-eye.
Sleep deprivation - Sleep disorder - Health - Conditions and Diseases - United States