Fitness basics
Learning Center
Nail ridges: Cause for concern?
Vertical nail ridges are common and often become more prominent with age.
Did the definition of Alzheimer's disease change?
What the change in the research definition of Alzheimer's disease means for you.
Mental health: What's normal, what's not
Normal mental health vs. mental illness — Find out how mental disorders are defined and diagnosed.
Mammary duct ectasia
Mammary duct ectasia is a noncancerous breast condition that affects the milk ducts. Learn the signs and symptoms and when treatment might be needed.
Suicide: What to do when someone is thinking about suicide
Take action when you see warning signs that someone is thinking about suicide. Talk with the person. Be sensitive and direct. Urge the person to get help.
Fitness training: Elements of a well-rounded routine
Is your fitness training program complete? Here's help to make sure you have all the basics in your program.
Delusional parasitosis
Learn more about this condition and positive steps you can take to manage the symptoms.
Spermatocele
Learn more about this noncancerous testicular disorder that may require surgery if it's causing discomfort. But, the condition often needs no treatment.
Testicular torsion
Sudden, severe pain in the scrotum could be testicular torsion. Learn about symptoms and treatment for this health emergency.
Oral health: A window to your overall health
Find out about the link between your oral health and overall health.
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