Doing more housework keeps stress levels higher at the end of the day for both married women and men, increasing health risk, US researchers suggest.
美国研究人员发现,已婚男女下班后,家务做得越多,压力水平就越高,健康风险也由此增加。
Researchers Darby Saxbe and Rena Graesch of the University of California and colleagues tracked 30 dual-earner couples around their homes for three days, using video cameras, interviews and surveys. They required the study participants to provide four saliva samples every day to measure the stress hormone cortisol, which is usually high in the morning -- and during stressful situations - and tends to recover later in the day.
加利福尼亚大学研究员黛比萨克斯比、热那格莱斯奇和同事一起用三天时间通过摄像机、采访以及问卷追踪调查了30对双收入家庭。被调查者需每日提供四份唾液样本以检测他们的压力激素皮质。该激素皮质水平在早晨和在压力较大的情况下较高,,然后会在一天内其他时间回落。
Saxbe says a steeper drop in the hormone is considered healthy. Cortisol levels can affect sleep, weight gain, burnout and weakened immune resistance.
萨克斯比称如若该激素皮质水平在早晨以后的时间内迅速下降,便可断定其主人是健康的。皮质水平可影响睡眠、体重的增长,修复被破坏或弱化了的免疫力。
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