In-depth

Risk factors

Depression

Take control of your mood and health. Explore the many depression treatment options and learn coping skills.

Symptoms

Fatigue

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

Unexplained weight loss

Unexplained weight loss: Symptom — Overview covers possible causes of unexplained weight loss.

Tests and diagnosis

C-reactive protein test

C-reactive protein is a controversial risk factor for coronary artery disease. Find out more about C-reactive protein before deciding to have this blood test.

Sed rate (erythrocyte sedimentation rate)

Sed rate (erythrocyte sedimentation rate) is a simple blood test that can help detect or monitor certain inflammatory diseases.

Ultrasound

Ultrasound imaging uses high-frequency sound waves to create images of structures in your body.

Jul. 20, 2012