These lines are usually a natural consequence of aging, although they may result from disease.Discoloration, thinning, thickening, brittleness, splitting, grooves, Mees' lines, small white spots, receded lunula, clubbing (convex), flatness, and spooning (concave) can indicate illness in other areas of the body, nutrient deficiencies, drug reaction or poisoning, or merely local injury.Standard hygiene and sanitation procedures avoid transmission.In some cases, gel and cream cuticle removers can be used instead of cuticle scissors.Delayed return to pink color can be an indicator of certain shock states such as hypovolemia.
The best way to care for nails is to trim them regularly.
Filing is also recommended, as to keep nails from becoming too rough and to remove any small bumps or ridges that may cause the nail to get tangled up in materials such as cloth. Toe infections, for instance, can be caused or exacerbated by dirty socks, specific types of aggressive exercise (long-distance running), tight footwear, and walking unprotected in an unclean environment.
Bluish or purple fingernail beds may be a symptom of peripheral cyanosis, which indicates oxygen deprivation. Nail tools used by different people may transmit infections.
and the composition of the nail includes 7–12% water.
This permeability has implications for penetration by harmful and medicinal substances; in particular cosmetics applied to the nails can pose a risk.
The width and thickness of the nail plate is determined by the size, length, and thickness of the matrix, while the shape of the fingertip itself shows if the nail plate is flat, arched, or hooked.