Mental health
Learning Center
Easy bruising: Why does it happen?
Get the facts about easy bruising. Learn about causes and find out when it's a sign of a problem.
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.
Friendships: Enrich your life and improve your health
Friendships can have a major impact on your health and well-being. Follow these tips to make and sustain lasting friendships.
GERD: Can certain medications make it worse?
Certain medicines can make symptoms of gastroesophageal reflux disease (GERD) worse. Learn more.
Guide to different tick species and the diseases they carry
Learn about different tick species and some of the diseases they may carry.
Headache
Headache: Symptom — Overview covers definition, possible causes of this painful symptom.
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.
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