Marijuana affects the index iq

Marijuana affects the index iq.
A callow division challenges one-time research that suggested teens put their long-term brainpower in risk when they smoke marijuana heavily. Instead, the study indicated that the earlier findings could have been thrown off by another component - the effect of want on IQ. The author of the new analysis, Ole Rogeberg, cautioned that his theory may not hold much water buyrxworld. "Or, it may start out that it explains a lot," said Rogeberg, a check in economist at the Ragnar Frisch Center for Economic Research in Oslo, Norway.

The authors of the sign sanctum responded to a beseech for view with a joint statement saying they standpoint 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 car price sri lanka. Moffitt and Caspi are reasoning professors at Duke University, while Meier is a postdoctoral subsidiary there.

Their study, published in August in the Proceedings of the National Academy of Sciences, attracted media distinction because it suggested that smoking kitty has more than short-term belongings on how masses think. Based on an interpretation of abstract tests given to more than 1000 New Zealanders when they were 13 and 38, the Duke researchers found that those who heavily Euphemistic pre-owned marijuana as teens forgotten an usual of eight IQ points over that set period.

It didn't seem to weight if the teens later plate back on smoking pot or stopped using it entirely. In the sawn-off term, people who use marijuana have tribute problems and trouble focusing, research has shown. So, why wouldn't users have problems for years?