One of the ways our body tries to protect us from cancer is by releasing a binding protein into our bloodstream to tie up any extraneous IGF-1. Think of it as our emergency brake. Let’s say you’ve managed to downregulate production of new IGF-1 through diet. What about all that excess IGF-1 still circulating from the bacon and eggs you may have eaten the day before? No problem: The liver releases a snatch squad of binding proteins to help take it out of circulation.
