Health Information Library

This rare condition happens when blood flow to the brain is blocked or narrowed and a tiny cluster of blood vessels forms at the base of the brain.

This heart condition present at birth causes a fast heartbeat. Rarely, it can cause sudden cardiac death. Know the symptoms and how it's treated.

This allergic reaction to meat-based meals most often results from a tick bite.

Hoarse or harsh sound from nose or mouth that occurs when breathing is partially obstructed while sleeping.

Weak muscle tone.

An unpleasant feeling triggered by the perception of danger, real or imagined.

The compulsive urge to lie about matters big and small, regardless of the situation.

An abrupt change in mood or emotional state.

An unusually dry mouth, often caused by medication.