Is there any research that confirms this. I ask because I hear it everywhere. But it feels too convineant an excuse to make people give blood :) (voluntarity in most cases)
Market it right and the billionaires might even be able to charge us to give them blood.
Some sites claim it comes from the Mayo Clinic, others list the source as the University of California San Diego, and so on
wight
Even if the figure were low by 10x it would be a pretty bad way to lose weight.