Self-diagnosis through nail color
Nails have a protective function, helping the dense nerve network in the extremities to avoid damage, and they also have the effect of increasing the sensitivity of touch in the fingertips and toes. Besides, it also reflects the health status of the body.
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Normal nails
In healthy people, fingernails should be pale yellow, shiny and smooth. But when there are unusual changes, it is a sign of illness in the body.
Yellowing of nails, this can happen to the elderly, or to people who smoke.
Nail disease
1.Pale nails can sometimes be a sign of serious illnesses such as: anemia, congestive heart failure, liver disease, malnutrition.
2.White nails with darker rims can indicate liver disease, such as hepatitis. You may also notice yellowing of your fingers, which is another sign of liver disease.
3.Blue fingernails can indicate a lack of oxygen in your body. This can be a sign of lung disease, such as emphysema. Some heart problems can also be associated with blue fingernails.
4.Wavy nails, if the nail surface is wavy or pitted, can be an early sign of psoriasis or arthritis. Nail discoloration is common; the skin under the nail may appear reddish-brown.
5.Frequent dry, brittle, splitting or cracking nails may be related to thyroid disease. Cracking or splitting nails that are also yellow are more likely to be caused by a fungal infection.
6.Yellow nails, one of the most common causes of yellow nails is a fungal infection. When the infection is severe, the nails can shrink, thicken, and break off.
7.Spoon nails are nails that are concave in the middle, curved around the edges like a spoon and have a very thin layer of horn. Spoon nails are often a sign of iron deficiency in the body. In addition, iron deficiency also causes the nails to have a relatively pale color.
8.In rare cases, yellow nails can also be a sign of a more serious medical condition such as thyroid disease, lung disease, diabetes, or psoriasis.
9.Swollen nails: If the skin around the nail appears red and swollen, this is a sign of nail fold inflammation. It can also be the result of lupus or another connective tissue disorder. Infections can also cause redness and inflammation of the nail fold.
10.A black line under the nail should be examined as soon as possible. Sometimes it is melanoma - the most dangerous type of skin cancer.
White spots on nails, many people believe that white spots on nails indicate a calcium deficiency in the body. However, this is not the main cause. Usually, these white spots are just caused by light impact or using too much force.
