Health & Safety National FDA changes rules for donating blood. Some say they're still discriminatory 6:24pm May 12, 2023 News Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2023 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered Science Shortwave podcast explores Pluto's planetary demotion National Appalachian writer revisits J.D. Vance's 'Hillbilly Elegy' by Andrew Limbong 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate