You might not know that your blood is part of a billion dollar business that's bought, sold and, at times, even thrown away.
"Yup, it's hazmat at the end of the day if the 42 days run out," says Ben Bowman, one of the nation's only for-profit blood brokers.
Bowman sells blood for a living and reveals to the Contact 5 Investigators the little known, rarely talked about secrets behind the business of blood.
"I would guess 99% of people don't know that blood is sold."
What you never knew about your donation. Don't miss this special Contact 5 special report Friday at 11 p.m. only on NewsChannel 5.