The strange myth behind carrots and night vision

We all heard the myth while growing up: Carrots are good for your eyesight. Or maybe even: Carrots can make you see in the dark. But where did this myth come from? And is there any basis in science?  It turns out that carrots are chock-full of vitamin A, which is necessary for vision. But most people today get enough vitamin A in their normal diet, and eating an excess of the orange vegetable won’t boost your eyesight or grant you night vision. In fact, consuming more vitamin A than your body can handle (via supplements instead of natural fruits and vegetables) can be detrimental to...

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