How a game-changing transplant could treat dying organs

Early success with a procedure called a mitochondrial transplant offers a glimmer of hope for people fighting for survival after heart attack, stroke, and more.

If you saw six-year-old Avery in her dance class today, you’d never guess that she almost died from a heart defect. She underwent her first open heart surgery shortly after birth, and the procedure left much of her heart damaged. After two months in the hospital, she was deemed healthy enough to go home. But her mum, Jess Blias, rushed her back a few weeks later because Avery had “turned blue.” Her heart was only pumping at half its capacity, and she needed another surgery. Read more.