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 ...

Across the United States, people are increasingly choosing to sell blood plasma for extra income as rising living costs ...

Selling plasma is becoming a common way to get a bit of extra cash on the side ahead of the holidays — although the human body does have its limits, and it isn’t sustainable enough to become a ...

Inside a suburban Philadelphia strip mall, between the Hair Cuttery and a Citizens Bank, a dozen people lay on black ergonomic beds a few feet apart, hooked up through a needle in the crook of their ...