(Reuters Health) - Cigarette use decreased among young women - including pregnant women - during the past decade in the U.S., according to a new study. But, researchers found, use of marijuana blunts ...

Female rats that inhaled vaporized cannabis daily for a month developed a blunted physiological response to stress, according to a new study. In contrast, male rats that were provided access to the ...

High school teens enjoy smoking weed with blunt wraps that are nicotine-free rather than those that have nicotine in them, according to a new study. The study recently published in the journal Drug ...