如果改掉这个习惯，头发会重新长出，但是长期过度地拔扯毛发，给头皮造成伤害，在受影响的区域会导致永久性的脱发。
If the habit stops, hair will typically regrow, but with excessive and long-term trichotillomania, scarring of the scalp can result, leading to permanent hair loss in the affected location!
营养缺乏导致脱发——健康，营养状况很好的人们也依然在脱落头发，补充营养也不能使头发再次生长。
Poor nutrition causes hair loss. - Healthy, well-nourished people still lose their hair and taking nutritional supplements will not regrow hair.
锌是身体的基础材料，并且在缺锌可导致发育迟缓增长，腹泻，阳痿，脱发，眼睛和皮肤损伤，无食欲，和低下的免疫力。
Zinc is a building block of the body and a deficiency in zinc can lead to stunted growth, diarrhea, impotence, hair loss, eye and skin lesions, impaired appetite, and depressed immunity.
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