Based on Bernard. Here is a quote:
"Iron is a double-edged sword...But too much iron can be toxic. It can increase the risk of heart problems and may even worsent insulin resistance. Iron encourages the production of unstable molecules called free radicals...Your body easily absorbs the [non-heme] form when it's in need of more iron, but the iron passes harmless out of the body when you have all you need. In contrast, meats contain heme iron, which is like an uninvited guest at your party: it barges in whether you need it or not. Over the long run, meat eaters tend to accumulate too much iron."
--Dr Bernard's Program for Reversing Diabetes, p. 68
Nice fact page if you are int'd on, "Do vegetarians get enough iron?"
Wiki paints a little bleaker picture, though, if u r int'd.
Might have to do with the protein in meat itself as they increase absorption of nonheme:
And this may cause oxidative stress with aging:
I hate reading peples opinions with no facts to back up what they say...you might as well, just yell out, SUGAR IS BAD FOR YOU.....but as most things in science, it depends
But iron isnt all that hard to understand; iron accumulates in the male body
iron is tightly controlled most being in the form of hemeoglobin(65%) and then myoglobin(35%) extra iron that is absorbed gets stored in the cells as ferritin and lesser as hemosiderin.
low blood iron causes release of ferritin iron. iron is needed to make RBCs and well as B12, ironically you store enough B12 to last you 3-4years before delveloping anemia.
really iron is regulated in the body by how much is absorbed. usually a few mg's a day are absorbed, however when you need iron your body will absorb a lot more(like 3 grams a day)
the problem I have is if you eat a ton of iron can it be absorbed to the reticuloendothial cells and this could cause damage.?
men dont lose iron, ever, unless they lose blood....so the iron stays in the body..women lose iron via menes
I give blood every 6-8 weeks, I've given over 4 gallons in my lifetime, thus far