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Fainting (syncope) is a brief loss of consciousness. This leads to falling down or needing to lie down, followed by a quick recovery. Fainting by itself is not a problem, but it could be a sign of a serious health condition.

AFLP is a rare, but serious, liver problem in pregnancy. With AFLP the liver cells have too much fat, which can damage the liver.

The anus is the last part of the digestive tract. Most anal cancers start in the cells that make the inside lining of the anus. Learn more about symptoms, diagnosis, and treatments.

An anal fistula is an abnormal opening in the skin near the anus. It leads to the inside of the anal canal in the colon.

During pregnancy, the fetal lungs are not used for breathing - the placenta does the work of exchanging oxygen and carbon dioxide through the mother's circulation. With the first breaths of air the baby takes at birth, the fetal circulation changes.

Brain cancer includes primary and secondary tumors. Learn more about symptoms, diagnosis, and treatments.

In carcinoma of unknown primary (CUP), doctors can’t tell where the cancer started. CUP has already spread by the time it’s diagnosed. Learn more about symptoms, diagnosis, and treatments.

Detailed information on chin reshaping, cheek reshaping, jaw reshaping, and facial implants, including possible facial implant complications