In-depth

Alternative medicine

Acupuncture

Find out how acupuncture works, who should avoid it and what conditions it can treat.

Symptoms

Abdominal pain

Find out what causes different types of abdominal pain.

Shortness of breath

Shortness of breath can be frightening. Most of the time, a heart or lung condition is the cause.

Unexplained weight loss

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

Tests and diagnosis

Chest X-rays

Even with today's high-tech medical devices, the basic chest X-ray remains an important tool in diagnosing various conditions. Here's a look at how it works.

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.

Needle biopsy

Find out what to expect during a needle biopsy.

Positron emission tomography (PET) scan

A positron emission tomography (PET) scan is an imaging test that can detect changes within certain tissues or organs early, often before disease progresses.

Treatments and drugs

Chemotherapy

Find out what to expect as you prepare for chemotherapy treatment.

Radiation therapy

Radiation therapy is a common means of treating many types of cancer. Find out what to expect during your radiation therapy treatment.

Oct. 24, 2012