In-depth

Prevention

Office ergonomics

Is poor ergonomics contributing to aches and pains at work? Put your desk to the test — and make simple adjustments for comfort.

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.

Lumbar puncture (spinal tap)

Lumbar puncture (spinal tap) — Overview covers definition, risks and results of this procedure.

MRI

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

X-ray

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

Sep. 11, 2012