Doctors are beginning to pay attention to injuries, such as brain damage or kidney failure, that can afflict people who survive an overdose.
Unlike heroin, fentanyl routinely shuts down breathing in seconds, and it’s becoming more common.
Just a few grains of pure fentanyl is enough to kill most users. But law enforcement sources say stopping the supply of the deadly synthetic opioid from China and Mexico is very difficult.
Recreational marijuana is on the ballot in five states in November. What do we know about pot’s effects on the brain?
A Boston health clinic that treats transgender kids and teens finds that the percentage of its young patients who are adopted is higher than expected. These kids might need extra support, doctors say.