He or she will look closely at your scalp and hair-loss pattern and may gently pull out a few hairs for tests.

然后医生会仔细检查头皮，判断掉发类型，并可能轻轻拔取少量头发以做检测。

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We all lose between 50 and 100 hairs a day, this amount is normal, however many people experience more hair loss than this resulting in bald patches.

我们一天之内掉的头发在50 ~ 100根之间，这数量是常态，然而许多人经历的掉发比这一块造成的秃顶多。

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