The latest news on longevity
Happy people tend to live longer and experience better health than their unhappy peers.
Getting enough fiber—and the right kind—may prevent early death.
Although U.S. spends most on health care, life expectancy is shorter than in most other rich countries
Plus, tips that will help you live longer.
Think more protein, fewer carbs to maintain weight loss; for health benefits, try tai chi.
Why diabetes may triple by 2050; Healthy People 2010: Americans falling short of federal benchmarks.
Longevity may depend in part on neatly spooling DNA.
Study may open doors to new insights into behavior, life-span in various species.
Stanford Center on Longevity report summarizes aging and related demographic trends.