After half an hour, effects are said to reach their peak and can last between five and six hours. Users may feel sleepy, ...

TikTok health expert, Dr Bing, has revealed four ways marijuana can impact your brain as cannabis can have a worrying long-term effect.

Millions of Americans use weed to treat chronic pain, but there's little high quality research on whether it works. New ...

Researchers examined the association between cannabis dispensary openings and opioid dispensing among commercially insured ...

As an employer, I am concerned about the health of my employees who use marijuana. What do we know about the short- and long-term effects of marijuana use? More: Understanding the different types of ...

The drug, legal in much of the country, is widely seen as nonaddictive and safe. For some users, these assumptions are dangerously wrong. By Megan Twohey Danielle Ivory and Carson Kessler The ...

Marijuana use, medical and recreational, legal and illegal, is deeply contested on two opposite spectrums. In one camp, advocates for marijuana use highlight the history of marijuana and apparent lack ...

Marijuana is notorious for slowing certain cognitive functions such as learning, memory and attention span (maybe that's why they call it "dope"?). But new research in young people suggests that these ...

As more people explore marijuana for medical use, Stanford Medicine scientists warn that older adults should be particularly ...

A new study shows that marijuana is an effective non-opioid treatment for chronic lower back pain. Confirming what we all ...

CBD oil is a concentrated extract that appears in many CBD products. How quickly you feel CBD's effects depends on your ...