What can you do about yellow nails?
Discoloration, weakness and lifted nails all point to various illnesses that may be a result of the change in both your fingernails and toenails.
Ultraviolet (UV) rays are an invisible form of radiation. They can pass through your skin and damage your skin cells. Sunburns are a sign of skin damage. Suntans aren't healthy, either. They appear after the sun's rays have already killed some cells and damaged others. UV rays can cause skin damage during any season or at any temperature. They can also cause eye problems, wrinkles, skin spots and skin cancer.
To protect yourself:
Check your skin regularly for changes in the size, shape, color or feel of birthmarks, moles and spots. Such changes are a sign of skin cancer.
Source: Food and Drug Administration
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