Scientists fear that the prevalence of warm houses and sustained contact with bright lights could supress important genes which have evolved to activate at different times of the year .
科学家们担心温暖宜人的房子的普及和持续的明亮灯光可能抑制人体重要基因的活动，这些基因已经进化出在一年当中的不同时期激活的机制。
supress