In-depth

Complications

Dehydration

You normally lose about 10 cups (2.4 liters) of water every day — much more during exercise or illness. Learn how to stay hydrated.

Risk factors

Acne

Acne can affect people of all ages. Find out what causes acne and ways to keep breakouts under control.

High cholesterol

High cholesterol sets the stage for heart disease. Discover ways to reduce cholesterol and keep your heart healthy.

Symptoms

Nausea and vomiting

Sick to your stomach? Nausea and vomiting usually pass quickly but sometimes result from long-term or serious conditions.

Precocious puberty

Precocious puberty is a rare condition in which the physical signs of puberty begin to develop too early in children.

Tests and diagnosis

Amniocentesis

Amniocentesis — Overview covers definition, risks, results of this prenatal test.

Chorionic villus sampling

Chorionic villus sampling — Overview covers definition, risks, results of this early prenatal test.

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.

Ultrasound

Ultrasound imaging uses high-frequency sound waves to create images of structures in your body.

Urinalysis

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

Mar. 07, 2014

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