How do nails turn yellow?

If the nail cover turns yellow, it may be caused by brittle nails, easy wear and lack of nutrition. When necessary, you need to see a doctor, pay more attention to blood and supplement vitamin nutrition. Regular exercise and finger massage can promote blood circulation.

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How about vertical stripes on nails?

Nail vertical stripes are generally related to vitamin A deficiency and have little to do with health. Don't worry, you should add more protein. Pay attention to rest, don't stay up late and get tired. Or you can check trace elements.