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How opioid use disorder occurs
Opioids act on the brain in powerful and potentially dangerous ways. Find out why no one is safe from opioid use disorder and learn what raises the risk.
Multiple endocrine neoplasia, type 2 (MEN 2)
Learn about this rare disorder that causes tumors and overproduction of hormones.
Sun damage
See photos of common skin conditions that are caused by too much time in the sun.
Poison ivy and other summer skin irritants
Take a look at these bumps, bites and rashes. Find out what causes them and how they can be treated.
Types of psoriasis
Learn to identify types of psoriasis, such as guttate psoriasis and scalp psoriasis, by appearance.
Runny nose
Learn more about how to treat this common symptom and when to see a health care provider.
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