The first and last answers come from scientists: we expect to find one, and only one, valid theory of nature. (faith.org.uk)
See last answer, but in general it was getting just results for young Marines who were in trouble. (lawyerist.com)
The link between yoga and better sleep was the only statistically significant finding in this MsFLASH (Menopause Strategies: Finding Lasting Answers for Symptoms and Health) Network randomized controlled trial. (sciencedaily.com)