This is on point. I'm Megna Chakrabardi. There's a billion dollar product flowing through

your veins. No matter who you are, it's in you. And if you wanted, it could be part

of a global for-profit business. It's your blood plasma. Patrick Herdner

donates his roughly 100 times a year. Tomorrow I have to donate. So I've had a

down in the water in my fridge, chilling all night and I will drink that one

gallon by the end of today. Because you have to stay hydrated. You do not want to

try to donate. If you dehydrate it, it will be the most measurable experience of

your life. Now, donation really isn't the right word here because Patrick gets

paid. He is selling his blood plasma. Patrick lives in Tulsa, Oklahoma and the

night before he tries his best to get eight hours of sleep. He avoids eating too

much fat or dairy. And the next day, he drives to his closest plasma center, a

place called CSL plasma in downtown Tulsa. The company is one of the world's

largest collectors of human plasma. Patrick fills out a form with some medical

history questions, things like whether he's gotten any recent tattoos, what

medicine he takes, and then it's time for the plasma extraction. I have certain

people I like to stick with because my veins are big, but it's easy to go

right through them. The center manager does know my veins and I can always request

them. Patrick lies propped up on a bed while a worker sticks a large needle into a

vein and hooks him up to a machine. The machine draws Patrick's whole blood, then

it separates out the plasma, a yellowish fluid. It returns all the other parts of

Patrick's blood into his body. Patrick goes through this whole process twice a

week every week. It's the maximum frequency allowed by the US Food and Drug

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