Today in Research: The Parts of Weed Bad for Your Brain; More

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Discovered: Hybrid climate change-fighting sharks; weed's effects on brain function; smartphones are addictive; an astounding link between diabetes, income and ADHD; and the kindness of humble strangers.

  • The parts of weed that are bad for your brain. Contrary to whatever that pot-head down the block says, weed isn't exactly good for one's brain. But certain parts of marijuana have different effects on brain activity, found new research in the Archives of General Psychiatry. Researchers tracked the THC- and cannabidiol-altered brain activities. They found the following scary sounding conclusions: "Pairwise comparisons revealed that Δ9-THC significantly increased the severity of psychotic symptoms compared with placebo and CBD whereas there was no significant difference between the CBD and placebo conditions." And: "Collectively, these observations suggest that Δ9-THC may increase the aberrant attribution of salience and induce psychotic symptoms through its effects on the striatum and lateral prefrontal cortex." You had us at psychotic. [Eureka]
  • Diabetes plus low-income equals ADHD. When low socioeconomic status combines with gestational diabetes, kids are 14 fold more likely to develop ADHD, found a study published in the Archives of Pediatrics and Adolescent Medicine. Fourteen is a lot of times more likely. And considering diabetes correlates with lower socioeconomic status the finding doesn't bode well for future kids trying to concentrate on things. [Eureka]

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