An Israeli doctor who never smoked pot is conducting the first study in the world that’s examining the effects of cannabis on autism – and he's optimistic about the results.

The receding but still powerful stigma surrounding cannabis often gets in the way of a healthy doctor-patient relationship.

While the effect of THC on skin cancer sounds very promising, medical marijuana is still in desperate need of larger scientific studies.

Another study suggests potentially enormous upside for medical marijuana.

If you're ready to get a medical marijuana card, we know a big question you're wondering is how much state-issued “weed cards” cost.

Check out the figures for adults disclosing the use of cannabis for the treatment of chronic pain in three charts – sorted by income, insurance and physicians visited.

Concern about side effects of narcotics and interest in more legal medical choices are leading to more seniors looking into cannabis options.

A new study led by a UC Berkeley researcher in conjunction with HelloMD has found that an overwhelming majority of medical marijuana patients use less opioid-based pain medication as a result of their ability to substitute cannabis for pain management.