Monday, April 30, 2018

Injecting Drugs Can Ruin a Heart. How Many Second Chances Should a User Get?


By ABBY GOODNOUGH from NYT Health https://ift.tt/2I0Wvay

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Scientists discover the brain’s hidden “stop scratching” switch

Scientists have uncovered a hidden “stop-scratching” signal in the nervous system that tells your brain when enough scratching is enough. Th...