An organically growing list! Check back for further exploration.

Massage:
http://time.com/4728672/massage-low-back-pain/

http://www6.miami.edu/touch-research/AdultMassage.html

MettaWing:
http://www.nationalgeographic.com/magazine/2016/12/healing-science-belief-placebo/

http://discovermagazine.com/2013/may/13-grandmas-experiences-leave-epigenetic-mark-on-your-genes