A study explains life review flashbacks during near-death experiences; Telomeres are lengthened after long times in space -- good for longevity; Dr. Dawn criticizes legal assignment of patent for CRISPR gene editing technology; About root canals, crowns and other advice for oral hygiene; Alternative medical treatments for cancer and problems of good science for medical procedures; Diabetes can lead to major kidney damage, requiring dialysis or transplants; The Dr. Amen Clinic clinic is discussed for evaluating and treating brain health; Review of Obamacare vs. preliminary ideas of the Republican party health care plan; Mindfulness Meditation is scientifically shown to reduce stress better than other techniques