
My thumbnail has many pits and doesn't grow well.
I am 28 years old. Recently, I noticed many small pits on my thumbnail, and the growth rate of my nails has also become much slower than before.

The appearance of multiple pits on the thumbnail and slow growth may be caused by various factors. First, malnutrition is a major cause; especially when the body lacks vitamins, calcium, zinc, and other trace elements, the normal growth of nails can be affected, resulting in uneven, brittle nails. For this 28-year-old patient experiencing nail pitting and slow growth, it is important to first examine lifestyle and dietary habits for any recent significant changes, such as an unbalanced diet or excessive stress.
To alleviate these symptoms, the patient should adjust their diet to maintain nutritional balance and consume more foods rich in vitamins and protein, such as apples, milk, eggs, carrots, and spinach, to improve the nutritional condition of the nails. Avoid prolonged exposure of the nails to water, use gloves to protect the hands, and minimize contact with chemicals. It is also important to protect the nails from excessive trimming or physical trauma to prevent further damage.
If the pitted appearance of the nails persists without improvement, it is recommended to seek medical evaluation promptly.