Genetics, age, and overall health are some of the reasons nails grow fast. Nails are composed of a tough protein called “keratin” that also serves as protection. The base, which is the nail matrix, ...

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"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Dealing with stubby nails that grow at a sloth’s pace can be frustrating when you’re dreaming of Cynthia ...