In-depth

Alternative medicine

Tai chi

With gentle movements and focused breathing, tai chi helps reduce stress and anxiety. See if it's right for you.

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.

Nausea and vomiting

Sick to your stomach? Nausea and vomiting usually pass quickly but sometimes result from long-term or serious conditions.

Unexplained weight loss

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

Tests and diagnosis

Complete blood count

A complete blood count can be used to evaluate your overall health, detect a wide range of disorders, or monitor a medical condition or treatment.

Creatinine test

A creatinine test reveals important information about your kidneys. Find out what the results of this common blood test mean for you.

CT scan

A CT scan is an imaging test that uses X-rays to produce detailed images of the inside of your body.

MRI

MRI uses a magnetic field and radio waves to create detailed images of the organs and tissues within your body.

Positron emission tomography scan

X-ray

X-rays are a form of radiation that can make images of your bones and internal organs.

Treatments and drugs

Radiation therapy

Aug. 16, 2011

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