Are There Risks From Secondhand Marijuana Smoke?

Everybody knows the dangers from secondhand smoke when it comes to tobacco, but how harmful is secondhand smoke from marijuana?

At the University of California, San Francisco, professor Matthew Springer has started investigating the effects of secondhand marijuana smoke. The early answers is that it is harmful.

Springer and his colleagues have published research demonstrating that secondhand smoke makes it harder for the rats' arteries to expand and allow a healthy flow of blood.

His study found other harmful effects from the secondhand marijuana smoke.


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