Health

Study finds nicotine changes marijuana's effect on the brain

How scientists study the effects of marijuana on the brain is changing. Until recently marijuana research largely excluded tobacco users from its participant pool, but scientists at the Center for BrainHealth at The University ...

Health

WHO says too few countries taxing tobacco products enough

Taxing cigarettes up to 75 percent of their retail price is among the most effective ways to reduce tobacco use, but too few governments levy high enough taxes, according to a World Health Organization global report released ...

Health

Smoking cannabis linked to respiratory problems

People who smoke cannabis as little as once a week are more likely to suffer respiratory symptoms such as morning cough, bringing up phlegm, and wheezing, according to University of Otago research.

Health

New tobacco atlas details scale, harms of tobacco epidemic

The Tobacco Atlas, Fifth Edition ("The Atlas"), and its companion mobile app and website TobaccoAtlas.org, were unveiled today by the American Cancer Society and World Lung Foundation at the 16th World Conference on Tobacco ...

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