Arthritis is the leading cause of disability in the United States, with more than 40 million people reporting that a doctor has diagnosed them with the condition. Almost one-quarter (23%) of people in Colorado are living with some form of arthritis.

Marijuana is the most common illicit drug used by pregnant women in the U.S., with nearly 4.6 percent reporting recent use during their first trimester and 1.4 percent in the third trimester. A number of studies have evaluated the impacts of marijuana exposure on the developing fetus. However, few have looked at postnatal exposures to marijuana through breastfeeding, and much less is known about the effects of pediatric exposures to sidestream smoke....