Are There Risks From Secondhand Marijuana Smoke? Early Science Says Yes

Scientists are finding that, just as with secondhand smoke from tobacco, inhaling secondhand smoke from marijuana can make it harder for arteries to expand to allow a healthy flow of blood.

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... read more at: https://www.npr.org/sections/health-shots/2018/03/19/592873218/are-there-risks-from-secondhand-marijuana-smoke-early-science-says-yes

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