Dr Mark Griffiths Blog

Also in 1977, Dr. Richard Willard published a study in the American Journal of Clinical Hypnosis. Using a slightly different technique to the previously published studies with a sample of 22 women (aged 19 to 54 years), Willard reported an average increase in breast size of nearly one and a half inches following a 12-week program. In this study, the women practiced self-hypnosis and visual imagery (rather than being hypnotized by a practitioner). Those who could best visualize their breasts getting bigger were the ones who showed the greatest increases in breast size. Other main findings reported were:

  • 85% reported a significant breast enlargement before they had been measured
  • 46% had to buy larger bras after the study
  • The average increase in breast circumference was 1.37 inches
  • The average increase in the vertical breast measurement was 0.67 inches
  • The average increase in horizontal breast measurement was 1.01 inches
  • Only two women who (subjectively) felt there was no significant increase, did (objectively) have a measurable increase in breast size

Is there any truth to this?

  • 5
    And does it work for men? :)
    – Benjol
    Commented Jun 13, 2013 at 12:46
  • 1
    I found the paper that the quote referred too, and it was published in American Journal of Clinical Hypnosis. I checked which papers cited it, and they all came from either that journal or what looked like pseudo-scientific books. It doesn't prove anything though.
    – Wertilq
    Commented Jun 13, 2013 at 12:54
  • 2
    I'm curious how they determined which test subjects were better at "visualizing" a mammary volume increase. Also, no control group, so no useful study. Shame. Commented Jun 13, 2013 at 15:06
  • 1
    @Wertilq Let them imagine the breasts growing bigger from someone else? :p
    – Lyrion
    Commented Jun 17, 2013 at 8:22
  • 2
    @Benjol - I'm sure there's a study if looking at one's junk mail for 2 hours would work for men.
    – user5341
    Commented Jun 17, 2013 at 13:45


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