In-depth

Diarrhea

Here's information about common causes of diarrhea and when to see your doctor.

Fatigue

Fatigue can signal many things. Here are some tips to help you decipher why you're wiped out and to regain your energy.

Insomnia

Sleepless nights? Insomnia includes difficulty going to sleep, staying asleep or going back to sleep after you awaken. Insomnia may be temporary or chronic.

Light therapy

Light therapy can improve symptoms related to seasonal affective disorder and several other conditions. Here's why and how it's used.

Muscle pain

Muscle pain can occur just about anywhere in your body, and there are lots of potential causes.

Jan. 05, 2013

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