The Dose Makes the Poison – Orvan Ox
Cyanide is a poison. On that there is no real argument. A biochemist could explain how it messes up a deep level of a key system and is thus a very nasty poison. And yet there are foods, intentionally eaten even by the non-suicidal, that contain cyanide. But people aren’t dropping dead due to eating spinach or even lima beans [Are you sure about lima beans? – Ed]. What gives? What gives is that while spinach and lima beans and other foods do indeed contain cyanide, they contain only very very tiny amounts. Amounts that are physiologically insignificant. The dose is so low there is no poisoning and life goes on.
A more applicable thing to this post is vitamin D. Vitamin D is a thing necessary for people and a deficiency results in bad things happening. But too much for too…
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