I can't donate blood or plasma. My body does not react well to it. I almost passed out each time and threw up the last time. That's when I decided no more.
Ditto, CCG, I , too, gave blood about 10 years ago and nearly fainted and have not done it since, I was given no reason why not, but, yeah, my immune system, although great the last year and a half, has, at times, given me fits some years, I was sick from Sept. 2011 to Jan. 2012, it took four rounds of amoxycillin and finally I took Cipro and it destroyed the bacteria that was eating up my sinuses .Praise God
Not sick since. Praise God, again
Also, I am AB+ blood type and so I can receive any blood type in event I need blood but I can only give to someone who is AB+ , so, I guess, my blood is not so needed, that's how I look at it anyway. The Lord leads, I would give again, in a heartbeat, if He led me to