/u/Can-t_think_of_one's posts
So we all might have heard atleast once in our childhood 'Go out and play in the sun to get your D vitamin'.As a child when ever my parents told me this I took it for granted, maybe because they are parents and what ever they say should have been be correct.
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How did we discover that Sunlight 'produces'(not sure if that's the correct word) D-Vitamin in our body?
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