妇女用棉签清洁耳朵后，头骨出现可怕的感染。专家说，棉签清洁耳朵不安全。

Woman Develops Horrifying Skull Infection After Cleaning Her Ears with Cotton Swabs

https://www.livescience.com/cotton-swab-ear-skull-infection.html

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喝甘菊茶真的有助于人们入睡吗？效果不确定。

Does Drinking Chamomile Tea Really Help People Fall Asleep?

https://www.livescience.com/chamomile-tea-sleep.html

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