Research indicates a significant correlation between the occurrence of age spots and prolonged exposure to sunlight. Individuals living in regions with intense sunlight exposure are more likely to develop age spots, especially those who have not taken adequate sun protection measures.
Aside from sunlight exposure, there is also a certain genetic link to the occurrence of age spots. If age spots appear in non-sun-exposed areas, it is likely due to genetic factors. For older individuals, what are the specific factors that contribute to the appearance of age spots?