Mike Van Dyke

(credit: David McNew/Getty Images)

Marijuana Health Research Skimpy, Colorado Doctors Conclude

A year after legalizing recreational pot sales, Colorado has more questions than answers about the health effects of legal marijuana.


(credit: CBS)

Experts Disagree On Plants’ Role In Air Purification

Recent studies have shown that common indoor plants can help purify the air indoors by absorbing household toxins.



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