Nails are flat, plate-like structures on the dorsal surface of human and primate fingers and toes, classified as connective tissue. They are modified claws, also known as flattened claws, primarily composed of keratin and serving to protect the fingertips and toes.Nails are present in humans and all species of the primate suborder. As an appendage of the skin, human nails serve specific functions. Primarily, they act as a "shield," protecting the fingertip from injury, maintaining its stability, enhancing tactile sensitivity, and aiding in grasping, pinching, squeezing, and other hand movements.The nail bed possesses abundant blood supply, regulating peripheral circulation and body temperature. Additionally, nails are a focal point of hand aesthetics; beautiful nails enhance a woman's charm. Individuals with damaged or deformed nails may avoid using a functionally sound finger due to self-consciousness, leading to atrophy of that finger's function.
Cutting nails is a small hygiene habit practiced by nearly everyone from childhood onward, but why do we trim them? The smart and clean-minded among you surely know: the primary reason is to prevent bacteria from the environment—large and small—from multiplying beneath the nails.If nails are too long, no matter how diligently you lather soap or how forcefully you rinse, bacteria lurking beneath the nails remain untouched. As the saying goes, "disease enters through the mouth." Those with adorable habits like biting their fingers risk stomach troubles! Moreover, overly long nails can accidentally scratch oneself or others, potentially causing wounds susceptible to bacterial infection!
However, nails shouldn't be trimmed too short either. If cut excessively short, they can lift away from the nail bed during activities like handling objects, working, or doing chores. Without the nail covering the soft tissue at the fingertip, the nail tip may grow inward, potentially triggering paronychia (nail fold inflammation) in severe cases and making the area more susceptible to fungal infections.
Beyond the common knowledge that "nails shouldn't be cut too short," there are many essential tips for nail care you simply must know. Below are four key techniques for trimming your nails. After a hard day's work, follow these steps one by one when you get home!