When skin is exposed to ultraviolet (UV) light -- the type of light in sunlight -- several things happen. On the positive side, skin exposed to UV light makes vitamin D, an important nutrient. However, UV light also can cause an inflammatory -Dr Mehmet Oz
"What is the role of ACTH and melanin when the skin is exposed to ultraviolet light?"
No, since a tan is the result of melanin in the skin exposed to ultraviolet rays.
Ultraviolet (UV) sun rays, specifically UVB rays, are responsible for burning the skin and causing sunburn. When the skin is exposed to excessive UVB rays, it can lead to inflammation, redness, and blistering. It is important to protect the skin from these rays by using sunscreen and seeking shade during peak sun hours.
solar 'UV' means the suns ultraviolet rays that can damage our skin, and it is possible that it can give us cancer, but there is no correlation that has been found yet that the ultraviolet rays does cause the types of cancers.
If it is a human then the skin protects the entering of strong ultraviolet rays. In animals its the same. In plants the other covering of the cuticle protects to plant from being exposed to these rays.
Ultraviolet rays possess electromagnetic energy and are part of the electromagnetic spectrum. They have higher energy levels than visible light, making them capable of causing sunburn and skin damage when exposed to them for extended periods.
Sun Rays ^-^
A no brained would be sun burn but long time exposed without the proper protection from uv rays it can lead to things as serious as skin cancer
It is ultraviolet rays. Ultraviolet rays are very harmful, a little bit wil cause you to have sun burn. And the sun produces lots of ultraviolet rays. A tan is a symtom of the sun has damaged your skin. But don't worry you can still go to the beach the ozone layer destroy most of them. However, CFCs are destroying ozone. They will come to a total ban at 2010.
Vitamin D production begins when a precursor molecule is exposed to ultraviolet light in the skin.
Ultraviolet (UV) radiation is a type of radiant energy that is invisible to humans. UV rays can be harmful to skin and eyes, which is why sunscreen and protective eyewear are recommended when exposed to sunlight.
Ultraviolet, or UV rays.