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.

Insomnia

Sleepless nights? Insomnia includes difficulty going to sleep, staying asleep or going back to sleep after you awaken. Insomnia may be temporary or chronic.

Personality disorders

Personality disorders affect the way you think, behave and relate to others. Learn about symptoms and treatments.

Risk factors

Depression

Take control of your mood and health. Explore the many depression treatment options and learn coping skills.

Tests and diagnosis

EEG (electroencephalogram)

Here's what to expect if you're scheduled for an EEG (electroencephalogram) — a common diagnostic test for many brain disorders, especially epilepsy.

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.

Oct. 23, 2012