Expression of muscle in the head and face skin, more than the skull, stop facial skin.

表情肌位于头面部皮下，多起于颅骨，止于面部皮肤。

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While you cannot stop or even slow down the intrinsic aging process, you can prevent signs of premature aging by protecting your skin from the sun, quitting smoking, and eliminating facial exercises.

即便你无法阻止或者延缓内在衰老的进程，但是你可以通过避免日晒，戒烟，减少面部表情来预防皮肤早衰的现象。

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Two years after her wedding and still not pregnant, the 26-year-old visited a gynecologist, who diagnosed her with polycystic ovary syndrome, an endocrine disorder that can cause women to stop ovulating, gain unusual weight, develop irregular periods or skin problems and grow abnormal facial and body hair.

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