Where Does All That Food Go?: How Metabolism Fuels Life

Most of us eat (or incorporate into our bodies) quite a bit of stuff that does not look, act or function even remotely like us. Unless our food mysteriously disappears inside of us, this must mean we change its molecular structure in some way. In fact, we are constantly modifying our molecules through chemical reactions, which together constitute our Metabolism. At any given moment, we transform (metabolize) millions of molecules within our bodies, building new ones, breaking down others, a...