We all forget things once in a while. But Alzheimer disease, a condition older adults can get, is different from everyday forgetting.

Do you know someone who has - or had - breast cancer? Find out more in this article for kids.

Do you know an older person who has cataracts? Find out about this vision problem in this article for kids.

Heart disease, also called cardiovascular disease, mainly affects older people. Find out more in this article for kids.

You love your mom and dad, but what if they smoke? Find out how you can help them be healthier.

Lou Gehrig's disease refers to a disorder called amyotrophic lateral sclerosis, or ALS. This disease damages the neuromuscular system, which allows the body to move.

Multiple sclerosis is a problem a person can have with the nervous system. MS mostly affects adults. Find out more in this article for kids.

Osteoporosis means that someone's bones are weakened. Find out more in this article for kids.

A person with Parkinson's disease gradually loses the ability to totally control body movements. Find out more about this disease that most often affects adults.

A stroke means that something has stopped the normal blood flow to the brain. Find out more in this article for kids.

You've probably heard people talk about ulcers, but what are they? Find out in this article for kids.

Can kids help parents get healthier? Parents say, if their kid asked them, they'd work extra hard to make changes.

Some older people have false teeth, also called dentures. Find out more in this article for kids!

Do you know an older person whose legs look like a road map with all those blue and purple squiggly lines? They're probably varicose veins.

Wrinkles! Everyone eventually gets at least a few. Find out why in this article for kids.

Does your grandmother seem to be getting shorter? Sometimes, people lose a little height as they age. Find out why in this article for kids.

Can you imagine yourself with gray hair someday? Find out why it happens in this article for kids.