What is the cause of hard toenails?

People with hard and brittle nails often suffer from anemia and loss of appetite. There are white spots or mica nails, indicating that there are trace elements and parasites such as calcium and silicon deficiency. Such people are prone to nervousness, irritability and habitual constipation. ...

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How to measure health with nails

It is not ideal to measure a person's health by looking at his nails. A person must be well nourished before his nails can grow normally, otherwise there will be some abnormal phenomena, which doctors can often use to diagnose important diseases. Here are some abnormal phenomena of nails:

1. Rod-shaped enlargement: the nails are obviously arched upwards and bent around the fingers. Clubbed fingers may mean emphysema, tuberculosis, cardiovascular disease, ulcerative colitis or cirrhosis.

2. Blue crescent: If there is a layer of blue halo on the crescent-shaped white mark at the root of the nail, it means that you may have any of the following diseases: blocked blood circulation, heart disease, Raynaud's sign, vasospasm of fingers and toes, usually due to freezing. But sometimes it is also related to rheumatoid arthritis or autoimmune disease lupus erythematosus.

3. Spoon nails: the middle of the nails sinks, and the whole nails become flat or spoon-shaped. This kind of nail is related to iron deficiency anemia, syphilis, thyroid disease, rheumatic fever and so on.

4. Lindsay's nails: half of the nails near the tip of the nails are pink or brown, and half of the nails near the nail shape are white. This kind of nail is also called two nails, which may be a sign of chronic renal failure.

5. Bo's line: the horizontal groove on the nail indicates malnutrition or some serious disease that will temporarily affect the growth of the nail, such as measles, costalitis, heart disease, etc.