He planned to spend the money on food, starting at a McDonald’s across the parking lot. In the decades after the war, a growing body of research suggested that the blood supply would be healthier and safer if people voluntarily donated. In the 1970s, the Food and Drug Administration began requiring that whole blood be labeled either a voluntary or paid donation. Blood that had been paid for came to be seen as both morally and physically tainted, according to Ms. George; today, the Red Cross will not use it. requirement never applied to plasma, perhaps because it is broken down and processed before entering another person’s body.
Source: New York Times February 01, 2019 11:00 UTC