By Miriam Falco, CNN, November 21, 2011. A 50-year-old man from Trion, Georgia, is the first person to be injected with stem cells in the upper part of the spinal cord, making him yet another pioneer in the scientific quest to use stem cells to heal. Richard Grosjean received the treatment Friday. He is part…

By Caleb Hellerman, CNN, November 14, 2011. On a June day in 2009, a 39-year-old man named Ken Milles lay on an exam table at Cedars-Sinai Medical Center in Los Angeles. A month earlier, he’d suffered a massive heart attack that destroyed nearly a third of his heart. “The most difficult part was the uncertainty,”…