Unexpected leaps forward in a scientific discipline, especially in medicine, should be met with great skepticism.
Many advances in medicine also seem to have been suppressed by vested interests: E.g., http://www.ted.com/talks/deborah_rhodes
A much better example IMO is checklists. There cheap if somewhat demeaning and drastically reduce hospital infections among other things, but for various reasons there not in widesperad use. http://en.wikipedia.org/wiki/Peter_Pronovost
There's a very simple way for Healbe to clear the air: release their supposed science. Publicly released scientific data has a much better chance of changing the status quo than a sketchy-looking crowdfunding campaign.