Health

'This ain't your mother's marijuana,' surgeon general says

Federal health officials issued a national warning Thursday against marijuana use by adolescents and pregnant women, as more states legalize the increasingly potent drug for medicinal and recreational use.

Diseases, Conditions, Syndromes

Florida latest place to declare emergency over hepatitis A

Officials have declared a public health emergency over the rising number of hepatitis A cases in Florida, the latest part of the country dealing with outbreaks of the liver disease.

Neuroscience

Unraveling the brain's reward circuits

To some, a chocolate cake may spark a shot of pleasure typically associated with illicit drugs. A new study by Penn biologists offers some insights into that link, revealing new information about how the brain responds to ...

Addiction

Record cocaine seized in Europe as challenges grow: EU report

European authorities are seizing record quantities of increasingly pure cocaine, the EU's drugs agency said in a report published Thursday, pointing also to a growing use of synthetic drugs and dealing via smartphones.

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