Karen Messer, who is a professor at the UC San Diego Herbert Wertheim School of Public Health and Human Longevity Science and ...

More Americans now use marijuana than smoke cigarettes amid shifting perceptions of harm of the two substances, according to ...

A study found higher rates of emphysema among marijuana smokers compared to tobacco smokers of the same age.

How does cannabis use influence cigarette smoking? This is what a recent study published in Addictive Behaviors hopes to ...

As recreational pot has gained traction in states all across the country, more research has been focusing on its health effects. One argument marijuana supporters have stood by for years - that weed ...

Arizona is set to become the fifth U.S. market to have access to the marijuana equivalent of the popular electronic cigarette, according to a report from the Phoenix Business Journal. O.penVape, a ...

Teenagers are very familiar with the risks of smoking cigarettes, but are much less sure whether marijuana or e-cigarettes are harmful, according to a new study by researchers at the Stanford ...

We have some holiday cheer for parents of teens: In the US, teen drug and alcohol use is continuing to stay low in the post-pandemic years. Even better? Abstaining from alcohol, marijuana, cigarettes, ...

Jefferson City is earning more money than expected from its marijuana tax, as it's cigarette tax underperforms, reflecting national trends of marijuana and nicotine use. According to mid-August budget ...