Mixed Messages
Growing up, my dad gave blood regularly. He has AB- blood type, which less than 1% of the population has, and it is the universal plasma donor. So, he donated blood as often as he was able (you need to wait at least 56 days between donations). That is why I have always thought it was important to give blood. Before having children, I gave about once a quarter. Now, my time is a lot more precious, so I donate less often. I try to do it twice a year, although there are years wh