“…And estrogen causes iron retention, and so in old age, women tend to catch up with men in the iron overload symptoms such as heart disease. Very interesting. Ray Peat, Patrick Timpone, raypeat.com. Stanley wants to know if bone broth is as healthy as it claims to be. Not if it's made with marrow bones because of the fat and iron in the marrow, very high concentration of iron which interacts with the fat. So the healthy broth is made from the joints. The joint bones, yeah.”