Weight-loss basics
Learning Center
Flu symptoms: Should I see my doctor?
See a healthcare professional if you are at high risk for complications from flu.
Food allergy vs. food intolerance: What's the difference?
Might you have to swear off milkshakes for good? Follow the symptom clues to find out whether you possibly have a food allergy or a food intolerance.
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.
GERD: Can certain medications make it worse?
Certain medicines can make symptoms of gastroesophageal reflux disease (GERD) worse. Learn more.
Getting past a weight-loss plateau
Hit a weight-loss plateau? Don't despair. Restart your weight loss with these tips.
Groin pain (male)
Learn more about the causes and symptoms of this type of pain. Also find out how you can treat it at home and when to get a checkup.
Guide to different tick species and the diseases they carry
Learn about different tick species and some of the diseases they may carry.
HPV infection: A cause of cancer in men?
Learn what types of cancer human papillomavirus can cause and how you can lower your risk.
Headache
Headache: Symptom — Overview covers definition, possible causes of this painful symptom.
Healthy sperm: Improving your fertility
You can take simple steps to have healthy sperm and improve your fertility.
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