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Monday, June 13, 2011

戒煙者肥?

Scientists Pinpoint Why Smokers Pack on Pounds When They Quit

尼古丁原來真的會減低食慾. 它會與腦部的α3β4受體作出反應, 重而減低食慾. 怪不得有些人怕肥不肯戒煙.

研究發現, 用化學品把α3β4壓制住, 食慾會隨即回升.

因為尼古丁成癮及壓制食慾的機制不同, 估計有可能研發出能壓制食慾但不會成癮的藥物.

Reference: Yann S. Mineur et al. “Nicotine Decreases Food Intake Through Activation of POMC Neurons.” Science, June 10, 2011. DOI:10.1126/science.1201889

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