A compound in marijuana may be a potent anti-inflammatory agent that won't get people high, scientists say.

The finding could be a boon to sufferers of arthritis, cirrhosis, and other diseases. Existing drugs can be less effective for some people and can carry side effects, from stomach ulcers to increased risk of heart attacks.

Marijuana supporters have long argued that the plant's active ingredients, known as cannabinoids, are safe and effective treatments for pain, nausea, and other ailments.   Read More...