A concussion makes the brain move suddenly inside the skull after a head hit or a hard body blow. Symptoms can last days to months. Most symptoms start improving within 1 to 2 weeks of the injury, ...
Cold sores are caused by the herpes simplex virus, usually herpes simplex virus type 1 (HSV-1). There is little to no evidence that specific foods trigger outbreaks. Common cold sore triggers include ...
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