When the heel is unstable, toes tend to grip which can lead to tendinitis, worsening of toe deformities, nail problems, corns and calluses.

如果脚后跟不稳定，脚趾就会紧紧抓地，可能导致肌腱炎、加剧脚趾变形、指甲异常、鸡眼、产生老茧。

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Because the research about problem solving is that if you start targeting any problem in your life, and nail it, all the other problems become easier.

因为有关解决问题的研究表明如果你开始瞄准了生活中任何其中一个问题，并解决掉了，那么其它的问题就会变得更容易。

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The article starts with the newly happened strongest nail household case in the history of Chongqing, to discuss the three problems concerned during house demolition.

本文从最近发生的重庆“史上最牛的钉子户”案出发，对其涉及的房屋拆迁中存在的三个焦点问题进行探讨。

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Bankers admitted to developing chronic pain, never-ending colds, anger management problems and nervous tics such as nail-biting.

FORBES: Wall Street Hours Mean Health Troubles

Congress also needs to fix looming problems with the Alternative Minimum Tax, a complicated shadow tax system originally designed to nail fat cats.

FORBES: Where's My Tax Cut?