The appearance of several dark spots is not very serious it just means that you are getting older. But there are some people that want to avoid these age spots that are found on the legs, arms, shoulders, hands and the face.
The number of brown spots increases as a result of too much sunlight and UV rays exposure. The melanin spreads faster in your skin when you are exposed to sunlight. The process of tanning can actually have negative effects like the appearance of numerous brown spots on the skin. It is an ‘overactive melanin’.
But, they can also have negative effect on your health, as well. It does not mean that it will result with cancer, but to hinder any further problems you need to check them with self-examinations.