In-depth

Risk factors

Acne

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

Tests and diagnosis

MRI

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

Ultrasound

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

X-ray

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

Jan. 02, 2014

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