Aging is a process everyone goes through. See how the aging process affects the body and learn what causes aging.
FeaturedWhich country's people have the longest life expectancy and why?
The U.S. is 42nd in life expectancy in the world. Who has the highest life expectancy, and how do they live longer than everyone else?
The Aging Process Quiz
How much do you know about the aging process? Test your knowledge with this quiz at HowStuffWorks. See more »
When will average life expectancy hit triple digits?
Science and medicine is allowing us to live longer and longer. Learn when average life expectancy will hit triple digits at HowStuffWorks. See more »
What is the future of human life expectancy?
Will human life expectancy continue to increase, or are we fooling ourselves looking for immortality? Explore the future of human life expectancy. See more »
The 5 Most Important Things to Know About Aging
What do you know about aging? If you learn how your body works, you can live longer. See the five most important things to know about aging. See more »
How are telomeres and aging related?
Telomeres and aging are connected to each other. Find out how telomeres and aging are related at HowStuffWorks. See more »
5 Myths About Aging and Your Health
There are several myths about aging your health. See what is fact from fiction with our top five myths about aging and your health. See more »
5 Most Surprising Age-related Health Changes
Age-related health changes can be both positive and negative. Learn about the five most surprising age-related health changes at HowStuffWorks. See more »
5 Ways Your Health Gets Better As You Age
There are some ways your health gets better as you age. See our list of the top five ways your health gets better with age to learn more. See more »
Aging IQ Quiz
The aging IQ quiz will test you on your knowledge of your overall health. See how well you do on this aging IQ quiz from Discovery Health. See more »
Does stress really make your hair go gray faster?
Does stress really cause gray hair? Explore this article to find out where gray hair comes from and what role stress plays in its development. See more »
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