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The results also showed that fingernails now grow by 3.47mm every month â almost twice as fast as toenails. The nails of younger people and men grow faster. The little finger nail grows much more slowly than other fingernails, at a rate of 3.08mm each month. The middle finger has the fastest-growing nail.
Children have the fastest growing fingernails of all. In fact, a child under about 12 can lose the very tip of their finger, and the finger tip will grow back (nail and all). The fingernails on the longest fingers (the middle fingers) grow fastest of all. Also, the more the hand is used the faster the nail grow (because of a better blood supply). Good health promotes faster fingernail growth. Toenails grow between a quarter and half as much as fingernails.