Very interesting decision from the one of the leading scientific publications to publish an article about Reiki therapy.
http://www.nature.com/news/consider-all-the-evidence-on-alternative-therapies-1.18547
[Edit: should be Nature publishes an article about alternative therapy]
Placebo doesn't affect objective outcomes anyway.
See Orac for a bitter "discussion" about this article. http://scienceblogs.com/insolence/2015/10/15/in-the-pages-of-nature-a-full-throated-defense-of-integrating-quackery-into-medicine/
Elaborate? I'm pretty sure that's not correct, at the very least when it comes to pain, immune system things, autonomic stuff, and possibly some musculoskeletal stuff.