Certainly, research is supportive that mothers do in fact find significant pain relief when using hydrogels for sore and cracked nipples. (believemidwiferyservices.com)
Scientists showed placebo pill ingestion is associated with a strong analgesia effect, with more than half of the patients reporting significant pain relief. (sciencedaily.com)
An analysis done at the University of Maryland Medical Center has concluded that acupuncture is clearly effective, providing significant pain relief. (mindbodygreen.com)