Truthdig
Aug 28, 2012 People who were diagnosed with cannabis dependence during their teenage and early adult years exhibited declines in IQ scores by their late 30s, according to researchers at Duke University. The study monitored just over 1,000 New...
io9
One of the most thorough studies of its kind has concluded that smoking too much reefer as a teenager is linked to significant cognitive decline...Here's everything you need to know about the study's findings. Here's the gist: The study followed 1,...
The Los Angeles Times health blog
The study establishes marijuana's mounting neuropsychological effects over time by tracking a group of 1,037 children born in New Zealand for 38 years from the times of their births in 1972 and 1973. The children underwent extensive testing from...