they say the eyes are the window to the soul, but they are also a wondow to your gene. Your iris regulates how much light enters your eye and protects internal organs from harmful UV radiation. But why exactly are irises colored? Find the answer here in this interesting infographic:
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Portions…
Another great poster showing what an ounce of something looks like, or a proper serving, again hands vary greatly in size so keep that in
PositiveMed Team
Oct 18, 2012
