Nutrition basics
Learning Center
White coat hypertension: When blood pressure rises in a medical setting
Blood pressure that measures high during a health checkup could be a risk factor for high blood pressure. Find out more.
What's the difference between H1N1 flu and influenza A?
H1N1 flu is a subcategory of influenza A.
What is chikungunya fever, and should I be worried?
Learn more about this mosquito-borne virus — found in Africa, Asia, India, and parts of Europe and the Americas — that causes fever and severe joint pain.
What is aspirin-exacerbated respiratory disease (AERD)?
AERD, also called Samter's triad, has three features: asthma, recurring nasal polyps, and sensitivity to aspirin and drugs such as ibuprofen and naproxen.
Wet macular degeneration
Blurred vision or blind spots could be a sign of this chronic eye disorder. Recognizing the warning signs could save your vision.
Water: How much should you drink every day?
Know how much water to drink to stay healthy and hydrated.
Water retention: Relieve this premenstrual symptom
Find out what's behind premenstrual water retention and what treatments might lessen discomfort.
Water breaking: Understand this sign of labor
Learn how to tell this sign of labor and what do next.
Walking pneumonia: What does it mean?
Walking pneumonia is a mild bacterial infection that resembles a cold. It usually does not require bed rest or a hospital stay.
Vulvodynia
Learn about pain, burning and irritation of the vaginal area that doesn’t have a clear cause. Then find out how to get relief.
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