据阿夫拉姆博士估计，这种一天服用两次的药物能让80%的正常服药的患者停止脱发，对半数患者来说，这种药物还能促进头发生长。
Dr. Avram estimates that thedrug, which must be applied twice a day, stops hair loss in 80 percentof the women who use it properly and it can actually stimulate hairregrowth in about half the users.
每根头发都有它自己的生长周期，生长6 - 8年后，停止生长几个月，然后脱落。
Each individual strand of hair has its own cycle, growing for six to eight years, resting for a few months, and then shedding.
这可能缩短你的头发生长周期，使得头发在脱落前只长到某一长度就停止生长了。
This can cut your hair's growing cycle short so the hair will only grow to a certain length before shedding.
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