Long-term marijuana use is not associated with a raft of physical health problems, says study

Researchers in the US say that marijuana use has no negative effect on health, aside from a link with gum disease
The Independent (UK)
Monday, June 6, 2016

smoking_potLong-term marijuana use is not associated with a raft of physical health problems, according to a new study. Researchers tracked the marijuana habits of 1,037 New Zealanders from birth to middle age to see what effect those habits have on physical health, including lung function, systemic inflammation, cholesterol levels, blood pressure, body weight, blood sugar and dental health. After controlling for other factors known to affect health, especially tobacco use and socioeconomic status, marijuana use had no negative effect on any measure of health, except for dental health. (See also: Study questions role for marijuana in teen users’ IQ decline)