Simultaneous use of cannabis with nicotine and tobacco products is common among cannabis users—particularly those who vape—according to a new study from Columbia University Mailman School of Public ... 

Simultaneous use of cannabis with nicotine and tobacco products is common among cannabis users—particularly those who vape—according to a new study from Columbia University Mailman School of Public ... 

Ever since weed started becoming legal across the country, and more and more people started indulging in what was once taboo, scientists have been mulling over the meaning of a particular observation. That observation? Why do some people use cannabis products casually while others develop problematic use patterns? To figure it out, a team of...