Marijuana Blog Posts

Find out the health effects that come from breathing secondhand marijuana smoke.

A lot of things can increase the risk that a teen will have a problem with drugs, including living with...

Of the more than 500 chemicals in marijuana, THC is the main one that causes a person to feel high...

Marijuana withdrawal can lead to symptoms like depression, anxiety, irritability, trouble sleeping, and more.

Teens who use nicotine, alcohol, and marijuana have two brain areas that are smaller than average when they become adults.

Check out all of the addiction science updates that we shared on the blog in 2019.

The annual survey found that teens' use of most drugs continues to decline—with one alarming exception.

CBD is typically found in very small amounts in the marijuana plant. It’s one of over 100 chemicals called cannabinoids.

In 2018, past-year marijuana use reached an all-time high among young adults. Past-month nicotine vaping more than doubled from 2017...

In the past few months, thousands of people have developed serious lung illnesses after vaping. Some people have died as...