n a plastic tissue culture dish, the composition of the growth medium (environment) controls the fate of the cells. The human body, is by definition, a “skin-covered culture dish” containing ~50,000,000,000,0000 (fifty trillion) cells. The cells are maintained by a culture medium … popularly known as blood. The chemical composition of the blood is the equivalent of the culture medium used in the plastic culture dishes. Changing the composition of the blood’s chemistry is the same as changing a culture’s growth medium.
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