A new study from the University of California, San Francisco, has a sobering message for regular cannabis users.

Experts warn of cardiovascular risks from chronic cannabis use, as a UC San Francisco study shows similar vascular effects to ...

Researchers observed that marijuana smokers showed a 42 percent reduction in vascular function, shedding new light on a ...

Using THC-laced edibles and smoking marijuana are both linked to early signs of cardiovascular disease, a new study found.

A new study led by UC San Francisco researchers finds that chronic cannabis use — whether it’s smoked or consumed in edible ...

(CNN) -- Is inhaling marijuana smoke safer than inhaling smoke from tobacco? A majority of American adults say yes, according to a new survey, and they also believe there is less harm to adults ...

Smoking that disgusting, moldy weed had caused this weird, corpse compound to flourish in her system. The doctor told her to throw away her contaminated cannabis and never, ever smoke moldy weed ...