Major stress like surgery or cancer could result in hair loss, but this is usually temporary and the hair will likely regrow without treatment once the stress has passed.

• 当你深陷这种困境，你就会会很容易犯一个这样的错误，不舍得再发把辛苦的血汗钱，或者更坏的是不再珍惜你那宝贵的毛囊。