Study finds surprising risks for COVID-19 infection

A new paper in Biology Methods & Protocols investigates risk factors and protections against contracting COVID-19, and.

Study finds that marijuana and e-cigarettes can harm the heart as seriously as traditional cigarettes

E-cigarettes and marijuana have harmful effects on the heart similar to those caused by tobacco.

Marijuana, meth, cocaine and opiate use are linked to atrial fibrillation

A new study by UC San Francisco researchers of more than 23 million people concludes.

Substance use appears higher in recent decades among young adults who had strokes

Documented cocaine and marijuana use among young adults who had strokes rose substantially in recent.