That's why nobody has ever separated the real effects of light therapy from placebo effects. 这正是没人能区分光疗法的实际效果和安慰剂疗效的原因所在。
Light treatment targets the function of the pilosebaceous glands and reduction of Propionibacterium acnes that are pathogenic factors of acne. 光疗法针对痤疮的致病原因,抑制毛囊皮脂腺功能并减少痤疮丙酸杆菌数量以达致疗效。
Light therapy does take time, and regular use. 光线疗法较费时并需固定使用。
Light therapy, like antidepressant medications, occasionally will cause someone to switch into a manic state. 光线疗法同抗抑郁药一样偶尔诱发躁狂。