Last year, people in the U.S. made an estimated $4.7 billion selling their plasma. Donation centers are popping up in middle-class neighborhoods, including suburban strip malls and college towns.

The business of collecting blood for money is growing nationwide, and Gainesville is no exception. The city is already home to for-profit plasma collection centers KEDPLASMA Gainesville and Grifols ...

ZANESVILLE, Ohio--(BUSINESS WIRE)--The largest independent blood-plasma donation center operator in the world is adding its fourth center in Ohio. The new center is in Zanesville and will help meet ...

CHAMPAIGN — Less than a year after plans for a new plasma-collection center in Urbana were abandoned, a different plasma company is making plans to open a new center in Champaign. BioLife Plasma ...

Andrea Stocker's needle is adjusted by one of the Biomed USA employees. Provo residents, including non-college students, can donate their plasma here. (Joe Wirthlin) Blood plasma donation centers ...

Add Yahoo as a preferred source to see more of our stories on Google. A man donates his plasma at the B Positive plasma center in Holmes, Pa., in January. (Hannah Yoon for NBC News) Inside a suburban ...