《科學日報》報導,研究人員進一步研究老鼠的大腦發現,體重增加的原因源自於一種腦內分子「神經肽Y」(neuropeptide Y, NPY),其在老鼠和人腦中都負責調控壓力與飲食。嘉文醫學研究中心教授Kenny Chi Kin Ip解釋,當神經肽Y機制被關閉,壓力大的老鼠的體重,與正常老鼠的體重沒有差別了。
1. Eating While Stressed Could Mean Extra Weight Gain, Mice Study Finds.
2. Comfort food leads to more weight gain during stress.
3. Chi Kin Ip et al. Amygdala NPY Circuits Promote the Development of Accelerated Obesity under Chronic Stress Conditions. Cell Metabolism, 2019; DOI: 10.1016/j.cmet.2019.04.001.