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Johnathan Fletcher

BBC News - Coffee addiction 'in your genes' - 0 views

www.bbc.co.uk/...health-12992374

science coffee addiction genes biology health

shared by Johnathan Fletcher on 02 Dec 11 - No Cached
  • Johnathan Fletcher on 02 Dec 11
     
    "Coffee addicts have an excuse for blaming their genes. According to new research, genetic factors could explain why some people consume large amounts of caffeine. US researchers scanned genetic variations in over 40,000 individuals to search for links with high caffeine intake."
Johnathan Fletcher

Adolescent brains biologically wired to engage in risky behavior, study finds - 0 views

www.sciencedaily.com/...100603132458.htm

Science Biology health brain Adolescents addiction risk behaviour drugs sex

shared by Johnathan Fletcher on 06 Jun 10 - Cached
  • Johnathan Fletcher on 06 Jun 10
     
    ""Our results raise the hypothesis that these risky behaviors, such as experimenting with drugs or having unsafe sex, are actually driven by over activity in the mesolimbic dopamine system, a system which appears to be the final pathway to all addictions, in the adolescent brain," Poldrack said."
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