Can you tell a person's health by looking at the color of nails?

White nails: the nails are pale and lack of blood color, which is more common in patients with malnutrition and anemia; In addition, if the nails suddenly turn white, it is common to have emergencies such as blood loss and shock, or chronic diseases such as hookworm disease, gastrointestinal bleeding, advanced tuberculosis and cor pulmonale. It should be noted that if the nails are as white as ground glass, it is a feature of cirrhosis.

The color of nails turns gray: nails are gray, mostly caused by lack of oxygen, which is more common in smokers; For non-smokers, nails suddenly turn gray, most likely suffering from onychomycosis. At first, the edge of the nail will itch, and then the nail will lose its luster and turn gray, such as onychomycosis.

Yellow color of nails: yellow nails, which Chinese medicine believes are mostly caused by damp-heat fumigation, are common in hypothyroidism, carrot disease, nephrotic syndrome and so on. Western medicine believes that yellow nails are mostly related to the lack of vitamin E in the body. If all nails turn yellow, they must be treated, because it is a symbol of general weakness.