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 that are caused by smoking marijuana over many years. Continue reading

Posted in Addiction, Brain Development, by Douglas Fields, Chemicals, Educators, In Society, Neural Network Function, Policymakers, Psychiatric Disorders, Sensing, Thinking & Behaving, Uncategorized
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Meldonium, Tennis Star Maria Sharapova’s Performance-enhancing Drug Explained

Tennis star Maria Sharapova has admitted to using the performance-enhancing drug meldonium, which boosts brain and body power and endurance. Here’s how it works.

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Posted in by Douglas Fields, Chemicals, Diet and Exercise, Diseases & Disorders, In Society, Injury, Learning and Memory, Neuroethics, Stress and Anxiety, Uncategorized
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Concussion Movie Reignites Important Issue

It is fairly remarkable that Concussion, the movie, exists. Ten years ago, the public did not know much about concussions and other forms of brain trauma. People weren’t watching football games and thinking about the long-term neurological effects of the brutal hits. Around 2009, the National Football League (NFL) started catching heat for its outdated concussion policies. In 2013, a book and corresponding documentary that tackled the issue, League of Denial, were released. And now, at the end of 2015, Hollywood has brought us a major motion picture that stars Will Smith as a neuropathologist fighting to reveal the truth about head trauma in football players.

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Posted in In Society, Injury
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The Taste of Thanksgiving

I took a sip of sugary Coke and was struck by a hideous intense blast of aluminum.  I rushed to the sink and spit out the tainted drink.  Poison!  What’s wrong with this Coke!  I took another tentative sip.  I was slammed again by the overwhelming metallic taste.  I spat out the poison by rapid reflex.  This can of Coke must have been contaminated during manufacturing!  Or, had the likes of the Tylenol Killer switched to soft drinks?  Then I remembered. . .  the taste of Thanksgiving and mountain climbing!

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Posted in Aging, Brain Development, by Douglas Fields, Chemicals, Diet and Exercise, Diseases & Disorders, Mood, Neuroanatomy, Senses and Perception, Sensing, Thinking & Behaving
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How the Neurotoxin in Dungeness Crab Causes Brain Damage

The California Fish and Game Commission has banned crab fishing until further notice after detecting high levels of a neurotoxin in Dungeness and rock crabs. The toxin, domoic acid, is produced by certain types of planktonic algae, and it becomes concentrated in tissue of crabs and other marine organisms during plankton blooms. People who consume sufficient quantities of the toxin develop amnesic shellfish poisoning, so named because it kills neurons in a part of the brain that is critical for memory. Here’s how it works.

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Posted in Animal Research, by Douglas Fields, Cell Communication, Chemicals, Diet and Exercise, Diseases & Disorders, Epilepsy, Learning and Memory, Policymakers, Uncategorized
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“You Don’t Have Time to Think.” Heroic Veteran Capt. Florent Groberg’s Selfless Action

 

Today it was announced that Army Capt. Florent Groberg will receive the Medal of Honor for instantly tackling a suicide bomber in a split-second reaction of self-sacrifice to save the lives of his comrades.  “You don’t have time to think.  You react,” he explains.  But how is that possible?

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Posted in Awareness and Attention, by Douglas Fields, In Society, Neural Network Function, Neuroanatomy, Senses and Perception, Sensing, Thinking & Behaving, Stress and Anxiety, Uncategorized
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