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Effects of Dopamine

WATCH: What Would Happen If You Stopped Sleeping?

The Huffington Post | Posted 09.24.2013 | Science

Doctors will tell you that not getting the recommended six to eight hours of shut-eye each night is not good for you, but what would happen if you sto...

Old Tools for New Tasks: How Your Brain Decides When Change Is Good

Ben Thomas | Posted 03.05.2013 | Science
Ben Thomas

When you learn something new -- a sequence of letters, for example -- an ancient structure known as the midbrain sends squirts of the chemical dopamine to your prefrontal cortex, effectively tagging the new information as "for your immediate attention."

Dr. David Kessler, author of The End of Overeating, On Why We Can't Stop Eating

Louise McCready Hart | Posted 11.17.2011 | Healthy Living
Louise McCready Hart

In The End of Overeating, Dr. Kessler explains how humans, much like Pavlov's dogs, become hardwired to anticipate foods with fat, sugar, and salt. So, how can we change the way we think about food?

Why We Take Risks

Yahoo! News | ALICE PARK | Posted 11.17.2011 | Healthy Living

Risk-taking, by definition, defies logic. Reason can't explain why people do unpredictable things - like betting on blackjack or jumping out of planes...

Sex, Gambling, And More: Bizarre Side-Effects Of A Popular Drug

abcnews.com | Allyson T. Collins | Posted 11.17.2011 | Healthy Living

Many patients who take the Parkinson's drug Mirapex say they were not fully aware of its rare but strange side effects -- which include a desire to ga...