Tag Archives: cannabis

Rise in Teen Marijuana Use Stalls, Use of Synthetic Marijuana and ‘Bath Salts’ is Very Low

ANN ARBOR — National samples of 45,000 to 50,000 students in three grades (8, 10, and 12) have been surveyed every year since 1991 as part of the nationwide Monitoring the Future study. Among the most important findings from this year’s survey of U.S. secondary school students are the following:

Marijuana. After four straight years of increasing use among teens, annual marijuana use showed no further increase in any of the three grades surveyed in 2012. The 2012 annual prevalence rates (i.e., percent using in the prior 12 months) were 11%, 28%, and 36% for 8th, 10th, and 12th graders, respectively. (Among the 8th graders there was a modest decline across the past two years—from 13.7% in 2010 to 11.4% in 2012—that reached statistical significance.) (more…)

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‘Runner’s High’ Played a Role in Human Evolution

Aerobic exercise triggers a reward system in the body of long-distance running creatures like humans and dogs, but not ferrets, a study led by UA anthropologist David Raichlen suggests.

In the last century, something unexpected happened: Humans became sedentary. We traded in our active lifestyles for a more immobile existence.

But these were not the conditions under which we evolved – our hunter-gatherer predecessors were long-distance endurance athletes. (more…)

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‘Cocainizing the Astronauts’

Heroin, Cocaine, Marijuana. You know them all. They are just brothers and sisters, and belong to one big and powerful family (commonly known as drugs, or druggs etc.).

May be you would like to ask, “OK, it’s a family, then who is the father”.

(more…)

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