In-depth

Alternative medicine

Mindfulness exercises

What can mindfulness exercises do for you? Get the facts.

Risk factors

Secondhand smoke

It might be someone else's smoke, but the risks are yours. Consider simple steps for avoiding secondhand smoke.

Symptoms

Chronic cough

More than an annoyance, a chronic cough can significantly affect your quality of life. Find out how it's diagnosed and treated.

Headache

Most headaches aren't caused by a serious illness, but some could be a sign of a life-threatening condition.

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

Biopsy procedures

Learn about the most common biopsy procedures and how they're used to diagnose cancer.

Bone scan

Bone scans can help detect bone disorders and hidden fractures.

CT scan

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

Lung CT scan

A Mayo Clinic specialist explains why lung CT scans may reduce your risk of dying of lung cancer.

MRI

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

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.

X-ray

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

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.

Mar. 19, 2014