Diseases, Conditions, Syndromes

Is smallpox still a threat?

Smallpox, a disease that killed an estimated 500 million people in the 20th century alone, is the only human disease to be eradicated. However, a new report, "Future State of Smallpox Medical Countermeasures," from the National ...

Psychology & Psychiatry

Some psychedelic drug users are stuck with unwelcome highs

A.J. took two small hits off a cannabis vape pen, a common ritual with his morning coffee. Moments after exhaling, a transfigured, kaleidoscopic version of the world emerged before his eyes.

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