Use or lose your dopamine

26 September 2008
Presented by .


Researchers use functional magnetic resonance imaging (fMRI) to reveal brain activity during emotional situations. Image credit: Inge Volman et al.


The latest developments in global warming, stem cell research and the effect of dopamine on the brain. They also answer the age old question 'does it take seven years for chewing gum to be digested?


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