(AP) – The vast majority of organ donations once came from people who were brain-dead. Now they’re increasingly coming from people who died when their heart stopped beating, a major shift that can boost transplants but also raises public confusion, researchers reported Thursday.

What’s called donation after circulatory death, or DCD, jumped dramatically in a short period: It accounted for 49% of all deceased donors in the U.S. last year, up from 2% in 2000. (Read More)