A long-awaited change in drug policy could bring scientists one step closer to understanding the harms and benefits of marijuana, the most commonly used federally illegal substance. On Thursday, ...

Here's what to know about the latest research on cannabis and health risks.

Cannabis has been part of human culture for thousands of years, yet the molecular machinery that gives the plant its mind-altering and medicinal power has remained surprisingly obscure. Now a team of ...

Add Yahoo as a preferred source to see more of our stories on Google. Cannabis is a talented plant, hiding a pharmacopeia in its flowers and foliage. Many of its compounds evolved millions of years ...

Add Yahoo as a preferred source to see more of our stories on Google. A new study led by researchers from the University of Bath in the UK suggests a standard unit for measuring cannabis potency, ...

Cannabis just revealed a hidden chemical treasure—rare compounds scientists never knew were there. Scientists at Stellenbosch University (SU) have uncovered the first evidence of a rare group of ...

When it comes to treating ovarian cancer, existing drugs are often limited in effectiveness and can cause significant side effects, underscoring the need for new options. In response, researchers are ...

The versatile cannabis plant could, some scientists think, one day be useful for lunar and Martian colonists. For now, researchers will subject its seeds to radiation in orbit and see what happens. On ...

Here’s an odd job in science: on a regular basis, Natasha Mason, a psychopharmacology postdoctoral researcher at Maastricht University in the Netherlands, offers cannabis to her study participants.

(CNN) — Using medical or recreational marijuana to ease symptoms of numerous mental health conditions doesn’t work, according to two new analyses of existing gold-standard research. Medical marijuana ...

Cannabis seems to be everywhere, in many forms. We're learning more about its effect on teenage brains and its usefulness as ...