光化性角化病，也称日光性角化病，病损生长缓慢，而且除了皮肤上的斑块或小斑点，常常无任何症状或体征。

An actinic keratosis, also known as solar keratosis, enlarges slowly and usually causes no signs or symptoms other than a patch or small spot on your skin.

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但是由美国皮肤病学会(the American Academy of Dermatology)发布的新的调查显示，没有获得这个信息的女性多半会错误地认为日光浴床比天然太阳光安全。

But a new survey by the American Academy of Dermatology suggests the message isn't reaching female tanners who might falsely believe that tanning beds are safer than natural sunlight.

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一名神经精神病学顾问建议冬天睡眠质量差的病人每天早上在日光台灯旁照30分钟。

A consultant neuropsychiatrist recommends use of a daylight lamp for 30 minutes each morning for patients who don't sleep well in winter.

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