In-depth

Complications

Persistent nervousness, worry and other anxiety symptoms can put you at risk of serious health problems. Take steps to ease your mind sooner rather than later.

Risk factors

High blood pressure (hypertension)

Uncontrolled high blood pressure can lead to various life-threatening conditions. But it's easily detected — and you can work with your doctor to control it.

Symptoms

Abdominal pain

Find out what causes different types of abdominal pain.

Headache

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

Tachycardia

Tachycardia, a rapid heart rate, is caused by an abnormality in your heart's electrical impulses. Tachycardia can cause serious complications, including sudden cardiac arrest.

Unexplained weight loss

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

Tests and diagnosis

CT scan

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

Genetic testing

Genetic testing is used to detect altered genes that may cause illness or disease. Although genetic testing can offer important health information, it has limitations.

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.

Urinalysis

Urinalysis can be used to assess your overall health, detect a wide range of disorders, or monitor a medical condition or treatment.

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.

Apr. 05, 2011