General Knowledge - Basic General Knowledge - Discussion
Discussion Forum : Basic General Knowledge - Section 1 (Q.No. 13)
13.
Exposure to sunlight helps a person improve his health because
Discussion:
90 comments Page 3 of 9.
Vijay said:
9 years ago
I don't know exactly but I know something about it that UV rays which come from the sun is filtered from ozone. So these UV rays are less harmful. These UV rays are absorbed by the oils present in the skin which converts into vitamin D.
Chahat said:
10 years ago
Ya ultra violet rays comes from sunlight but first it absorb by ozone which is outer layer of environment.
Ozone layer absorb unwanted or harmless ray from sun and then it comes to environment and absorb by body.
Ozone layer absorb unwanted or harmless ray from sun and then it comes to environment and absorb by body.
Muthu said:
1 decade ago
A division between an area or areas on the skin of a human of pronounced comparative paleness relative to other areas of their body that have been suntanned by prolonged exposure to ultraviolet radiation.
RAM ANUJ GAUR said:
9 years ago
Harmfull ultraviolet rays are blocked by ozone. Rest are bound to come on earth.
And skin oil is some form of saturated fat which works as solute for vitamin D on skin and help in absorbng by the body.
And skin oil is some form of saturated fat which works as solute for vitamin D on skin and help in absorbng by the body.
Sunnysingh said:
9 years ago
Uv rays are harmful but in winter we bask the sun. It is the good source of vitamin d. Bask the sun for vitamin d is not harmful because we only use in winter. Other sources of vitamin D are an egg.
Siva said:
1 decade ago
Not direct UV rays strike the skin. The filtered UV rays from ozone, which are non destructive indulge in this process.
@Raji
Skin oils are nothing but white lipid substance beneath our skin.
@Raji
Skin oils are nothing but white lipid substance beneath our skin.
Rohit said:
8 years ago
How is vitamin D useful for us if we are not consuming it? UV rays are converting skin oil into vitamin D (hopefully accepted) still how these vitamin D is useful unless we are not using it?
Avinash said:
1 decade ago
Our skin acts as layer for transmitting sweet. So, when fat or oil can coagulate to these sweet, it makes to absorb these fatty. Black people absorb more light when compare to white.
Venu said:
1 year ago
Ultra Violet rays are not good for human health, whereas Infrared Rays is available in the morning and evening from sunlight which helps to build a strong immune system.
Aunu said:
1 decade ago
Actually, uv rays affects the skin, means skin cancer and other skin diseases. Then how will these rays form vit D very little amount of rays enters atmosphere.
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