R
Robrites
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 study, published today (Feb. 1) in the journal JAMA Internal Medicine. Executive function includes skills such as planning and focusing.
To examine the effects of long-term marijuana use, the researchers studied participants who were enrolled in the long-running Coronary Artery Risk Development in Young Adults (CARDIA) study. The CARDIA study included more than 5,000 adults who initially enrolled in the study between ages 18 and 30. During a series of follow-up visits, the participants reported if they had used marijuana in the previous month. At the 25-year follow-up, the participants were given a series of cognitive tests that looked at verbal memory, processing speed and executive function. [11 Odd Facts About Marijuana]
While long-term marijuana use was associated with worse performance in all three tests, after the researchers adjusted for other factors (such as use of other substances and depression), they found that only the association between long-term use and verbal memory was statistically significant (meaning the associations between marijuana use and both processing speed and executive function may have been due to chance).
"We found a dose-dependent independent association between cumulative lifetime exposure to marijuana and worsening verbal memory in middle age," the researchers wrote in the study. In other words, the more marijuana a person used, the greater the effects on verbal memory.
Read the Rest... http://www.livescience.com/53550-marijuana-verbal-memory.html
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 study, published today (Feb. 1) in the journal JAMA Internal Medicine. Executive function includes skills such as planning and focusing.
To examine the effects of long-term marijuana use, the researchers studied participants who were enrolled in the long-running Coronary Artery Risk Development in Young Adults (CARDIA) study. The CARDIA study included more than 5,000 adults who initially enrolled in the study between ages 18 and 30. During a series of follow-up visits, the participants reported if they had used marijuana in the previous month. At the 25-year follow-up, the participants were given a series of cognitive tests that looked at verbal memory, processing speed and executive function. [11 Odd Facts About Marijuana]
While long-term marijuana use was associated with worse performance in all three tests, after the researchers adjusted for other factors (such as use of other substances and depression), they found that only the association between long-term use and verbal memory was statistically significant (meaning the associations between marijuana use and both processing speed and executive function may have been due to chance).
"We found a dose-dependent independent association between cumulative lifetime exposure to marijuana and worsening verbal memory in middle age," the researchers wrote in the study. In other words, the more marijuana a person used, the greater the effects on verbal memory.
Read the Rest... http://www.livescience.com/53550-marijuana-verbal-memory.html
So I'll just say what a crock of shit.
