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 ...

Journaling for just a few minutes every day can help turn it into a stress-relieving, sustainable habit. It may help to write at the same time each day or use prompts for fresh ideas. One of your best ...

Narcolepsy is a chronic sleep disorder that makes you extremely sleepy during the day. Doctors don’t know what causes it. But they do understand some of the risk factors and triggers that may bring on ...

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