Heavy marijuana smoking may raise the risk of lung cancer and several head and neck cancers, according to growing research, ...

A major shift in U.S. drug policy has sparked debate around marijuana, and now, a heart surgeon is weighing in on the effects of cannabis. Donald Trump is currently moving to reclassify marijuana, ...

Smoking is the most popular form of cannabis use, but it's also the most dangerous. Here are five safer alternatives to consider.

Weed might increase a young person's risk of an asthma attack, whether or not they are smoking or vaping it, a new study says. Young adults had 57% to 81% higher odds of an asthma attack if they ...

Marijuana has been a hot topic for years, but one often clouded by misperceptions. Many turn to it as a perceived panacea, hoping it will address health issues or enhance their well-being if other ...

Scientists find consistent brain changes linked to tobacco use, but say cannabis research is still too limited to draw firm conclusions. Study: Associations of cannabis use, tobacco use and co-use ...

A new study has found a link between chronic cannabis use − including in edible form − and an increased risk of cardiovascular disease that's comparable to the effects of smoking tobacco. The study ...

A new medical study looking into the potential side effects of ingesting marijuana has shown a possible link between drug usage and an increased risk of cardiovascular diseases. The study, which was ...