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Marijuana Use Causes 7-Fold Increased Risk of Violent Behavior

Marijuana use and violence New research reported in the journal Psychological Medicine, concludes that continued use of cannabis causes violent behavior as a direct result of changes in brain function...

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Zika: Ten things to know about a new public health emergency

The Zika virus is a global health threat. Despite renewed urgency because of the evidence suggesting that Zika causes birth defects, science has known of the virus for some time. It’s a deadly and...

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The Neuroscience of Violence

We are on the brink of a new understanding of the neuroscience of violence. Like detectives slipping a fiber optic camera under a door, neuroscientists insert a fiber optic microcamera into the brain...

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Lincoln’s Misfortune

“A tendency to melancholy, let it be observed, is a misfortune, not a fault.”- A. Lincoln The diagnosis of the mental state of public figures is an overwhelming impulse for some, particularly in the...

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The Neuroscience of Violence, Again

  The first dead person I ever saw was a policeman. . . He was lying face down on the asphalt at the center of a crimson puddle the size of my wading pool.  I was too young to understand.  Too young to...

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No Fear

In an interesting article in the magazine Nautilus, J.B. MacKinnon, reports that a brain scan (fMRI) of free solo climber, Alex Honnold’s brain explains why he is so willing to risk his life to climb...

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Zika Infects Adult Brain Too

  New research shows that the Zika virus can infect neural stem cells in the adult brain. The Zika virus, which is spread by mosquitoes and causes severe neurodevelopmental defects in infants who...

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The Three Causes of Fainting

Hillary Clinton fainting at the 9/11 memorial this weekend has raised concern and speculation over possible causes.  There are three causes of fainting.            Fainting is the sudden and temporary...

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Humans Are Genetically Predisposed to Kill Each Other

A new study of 1,024 mammal species has determined which animals are the most vicious killers of their own kind. Killer whales perhaps? Pit bulls maybe? For the answer, just look in the mirror. “Step...

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Halloween Terror and Fetal Brain Development

Can a frightening experience during pregnancy affect the development of an unborn child’s brain?  Yes. “I had a call not long ago, before Halloween, from a pregnant woman asking if it would be OK to go...

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