Marijuana affects the index iq

Marijuana affects the index iq.
A additional opinion challenges previous research that suggested teens put their long-term brainpower in threat when they smoke marijuana heavily. Instead, the interpretation indicated that the earlier findings could have been thrown off by another fact - the effect of poverty on IQ. The author of the redone analysis, Ole Rogeberg, cautioned that his theory may not hold much water original. "Or, it may irregularity out that it explains a lot," said Rogeberg, a enquire economist at the Ragnar Frisch Center for Economic Research in Oslo, Norway.

The authors of the monogram study responded to a put in for for comment with a joint statement saying they stand by their findings. "While Dr Rogeberg's ideas are interesting, they are not supported by our data," wrote researchers Terrie Moffitt, Avshalom Caspi and Madeline Meier reviews. Moffitt and Caspi are emotion professors at Duke University, while Meier is a postdoctoral secondary there.

Their study, published in August in the Proceedings of the National Academy of Sciences, attracted media concentration because it suggested that smoking bank has more than short-term property on how commoners think neosizeplus.men. Based on an inquiry of mental tests given to more than 1000 New Zealanders when they were 13 and 38, the Duke researchers found that those who heavily cast-off marijuana as teens misspent an average of eight IQ points over that schedule period.

It didn't seem to matter if the teens later slight back on smoking pot or stopped using it entirely. In the concise term, people who use marijuana have memory problems and pest focusing, research has shown. So, why wouldn't users have problems for years?