The reasons for this are different. Heredity is an important factor, but excessive long-term exposure to the sun or solarium can also have a big impact.
Before removal, they must be examined by a specialist, who is familiar with skin growths and will set a diagnosis.
Potentially dangerous growths, such as melanocytic pigment marks, must be surgically removed and subject to histological analysis. Most skin growths (fibroma and age spots)) do not pose a danger to health and may be removed by other methods, such as scraping the surface of the skin. In this case, stitches are not required; the healing process lasts as long as with ordinary scratches.