Healthy retirement
Learning Center
Video: How to use a dry powder tube inhaler
Watch these step-by-step instructions for using a dry powder tube inhaler.
How you hear
Your ears enable you to gather and interpret sounds from the world around you.
Guide to different tick species and the diseases they carry
Learn about different tick species and some of the diseases they may carry.
Facial reanimation surgery
Learn how these procedures can allow people with facial paralysis to regain the ability to smile and make other facial expressions.
10 great health foods
Add these health foods to the menu and give your diet a healthy boost.
Bedsores (pressure ulcers)
These areas of damaged skin and tissue are caused by sustained pressure — often from a bed or wheelchair — that reduces blood flow to vulnerable areas of the body.
Bladder cancer
Blood in the urine (hematuria) sometimes is a sign of bladder cancer. Learn about other bladder cancer signs and symptoms and explore treatment options.
Frequent sex: Does it protect against prostate cancer?
Some studies have suggested that frequent ejaculation may reduce the risk of prostate cancer. But other research hasn't supported this idea.
Fainting during urination (micturition syncope): What causes it?
Fainting during or immediately after urination, called micturition syncope, is a rare occurrence in healthy individuals.
C. difficile infection
Learn more about this diarrhea-causing infection that often occurs after antibiotic use. Many, but not all, people who get it are in health care facilities.
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