Lead poisoning: What parents should know and do
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You may have heard recent news reports about a company that knowingly sold defective lead testing machines that tested tens of thousands of children between 2013 and 2017. Or wondered…
Kidneys, eyes, ears, and more: Why do we have a spare?
One of the many underappreciated things about the human body is that it has a lot of excess capacity. That is, our organs have more reserve than most of us…