Center for Disease Control and Prevention CDC (Ian)
http://www.cdc.gov/Features/Meditation/ (Ian)
National Center for complementary and Alternative Medicine NCCAM (Ian)
http://nccam.nih.gov/health/meditation (Ian)
Mayo Clinic (Ian)
www.mayoclinic.org/meditation/art-20045858 (Ian)
Transcendental Meditation (Kamiko)
http://www.tm.org/ (Kamiko
Learning Meditation (Kamiko)
http://www.learningmeditation.com/ (Kamiko)
Free Meditations (Kamiko)
http://www.freemeditations.com/ (Kamiko)