Stress basics
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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 HPV can cause in men and how you can reduce 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.
Heart attack symptoms: Know what's a medical emergency
Watch for these heart attack symptoms.
Heart palpitations
Know when and how feelings of a rapid, fluttering or pounding heartbeat are treated.
Heartburn or heart attack: When to worry
Chest pain? Learn the potentially lifesaving difference between heartburn and a heart attack.
Heavy menstrual bleeding
Learn about the causes and treatment of heavy menstrual periods.
Heel spurs: Do they always cause pain?
Heel spurs — Bony growths not necessarily the cause of your heel pain.
Hiccups
Caused by spasms of your diaphragm that you can't control, hiccups are usually harmless. Rarely, hiccups may be a sign of an underlying medical problem.
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