The Physics Of Manicures Reveal A Public Health Warning

Do you like to keep your fingernails and toenails aesthetically pleasing? You could be putting yourself at risk of serious nail conditions, say researchers at the University of Nottingham who have devised equations to identify the physical laws that govern nail growth and used them to throw light on the causes of some of the most common nail problems, such as ingrown toe nails, spoon-shaped nails and pincer nails. Writing in Physical Biology, they note that regular poor trimming can tip the fine balance of nails, causing residual stress to occur across the entire nail. That residual stress can promote a change in shape or curvature of the nail over time which, in turn, can lead to serious nail conditions. read more

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