In 1975, reporters for World in Action, a British investigative current affairs TV program, traveled to various US cities to meet people who were selling their plasma. A man named Gary in San Francisco was asked whether he always answers questions about his health truthfully. “No.” He reconsidered. “You know, yeah, most of the time.” He is scornful of the health screening. “I’m healthy, you know?” Another donor says simply, “Pardon me while I puke.”
