What's That Word? Marijuana May Affect Verbal Memory

Years of smoking pot may have an effect on a person's verbal memory, which is the ability to remember certain words, a new study finds. For every five years of marijuana use, researchers found that, on average, one out of two people remembered one word fewer from a list of 15 words, according to the study. Long-term use was not, however, significantly associated with decreases in other measures of cognitive function, such as processing speed or executive function, the researchers wrote in the st