![NutritionFacts.org Video Podcast show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/072/375/small/nutritionfacts-org-video-podcast.jpg)
Summary: An extraordinary thing happened when those at high risk for heart disease were randomized to give blood—and it had nothing to do with their heart.
Summary: An extraordinary thing happened when those at high risk for heart disease were randomized to give blood—and it had nothing to do with their heart.