Rates of vaping, drug and alcohol use among American teens plummeted during the pandemic and have remained at relatively low levels ever since, new government statistics show.

“This trend in the reduction of substance use among teenagers is unprecedented,” said Dr. Nora Volkow, who directs th...

Recreational drug users are three times more likely to have repeated heart health emergencies than people who don’t use, a new study has found.

About 11% of patients admitted to intensive cardiac care units have been using recreational drugs, said researcher Dr. Raphael Mirail...

The "fourth wave" of the U.S. overdose crisis involves the use of illicit fentanyl mixed with stimulants such as cocaine or methamphetamine, and it's killing people in droves.

The proportion of U.S. overdose deaths involving both fentanyl and stimulants jumped by more than 50-fold since 2010, from 0.6% in 2010 to more than 32% in 2021, a new study shows.

"Fatal overdose involvi...

Researchers already knew that injecting drugs can lead to the dangerous and deadly heart infection called endocarditis.

Now they know that also becoming infected with COVID-19 appears to increase risk for this already vulnerable group.

"A lot of people talk about long COVID, but then really not many people are focused on this very vulnerable population," said