Breast health
Learning Center
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.
Henoch-Schonlein purpura
Learn about the symptoms, causes and treatment of this blood vessel disease, also called IgA vasculitis, that causes a purplish rash on the lower legs.
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.
High blood pressure and pregnancy: Know the facts
Concerned about high blood pressure during pregnancy? Find out what you can do to reduce your risk of complications.
High cholesterol in children: How is it treated?
High cholesterol in children can lead to narrowed and hardened arteries, increasing the risk of heart disease later in life.
How trauma can affect memory
In sexual assault survivors, the main traumatic event typically becomes encoded in memory. Less important details may not be as well retained in memory.
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