Of that group, 46 weed smokers and 34 non-users had an MRI brain scan. Dr. Olalde-Mathieu said: “These findings highlight positive effects of cannabis on interpersonal relationships and ...

Your brain may not bounce back as quickly as you think after you smoke ... imaging technology. The researchers then studied the neural response of participants during a magnetic resonance imaging ...

Smoking weed can certainly have an impact on your brain ... The heavy cannabis users had significantly higher neuromelanin-MRI signals — which measure function of dopamine, the happy hormone ...

Smoking marijuana could be more harmful than people realize, a new study suggests. Chest scans show marijuana smokers may be more likely to develop inflamed airways and a certain type of emphysema ...

It found that rates of emphysema were higher in marijuana than tobacco smokers. People who smoke marijuana were more likely to have certain types of lung damage than people who smoked cigarettes ...