Fitness
Learning Center
Nocturnal panic attacks: What causes them?
Nighttime panic attacks can cause sweating, rapid heart rate, trembling, shortness of breath, heavy breathing, flushing or chills. Learn about treatment.
Nighttime headaches: How can I get relief?
"Alarm clock" (hypnic) headaches wake people up. But other nighttime headaches also can disrupt sleep. Relief begins with determining the cause.
Nicotine dependence
Nicotine dependence can be tough to kick, but treatments and resources are available to boost your chances of success.
Need a reason to exercise? Here are 7!
Want to feel better, have more energy and perhaps even live longer? Exercise is the answer. Here are seven ways exercise improves your life: 1. Exercise improves your mood. 2. Exercise combats chronic diseases. 3. Exercise helps you manage your weight. 4. Exercise boosts your energy level. 5. Exercise helps keep your brain sharp. 6. Exercise can help you live longer. 7. Exercise can be fun. Find an activity you enjoy, and go for it.
Narrow stools: Should I be concerned?
Narrow stools may be a sign of narrowing or obstruction of the colon.
Mononucleosis and Epstein-Barr: What's the connection?
The Epstein-Barr virus sometimes causes a disease known as mono. Learn who is at risk and what the symptoms are.
Monoclonal gammopathy of undetermined significance (MGUS)
When bone marrow produces an unusual protein in the blood, it can sometimes lead to certain types of blood cancer.
Mold allergy
Coughing, sneezing and itchy eyes often accompany this common allergy. Find out how to treat this condition and help keep it under control.
Molar pregnancy
This rare pregnancy complication requires early treatment. Learn more about diagnosis and treatment of this type of pregnancy loss.
Migraines: Are they triggered by weather changes?
Migraines — Are they triggered by weather changes?
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