Some categories of alternative medicine practitioners have to be licensed and qualified. Chiropractic, osteopathy, for example
Spiritual healing is not. I don’t know about reflexology.
I have had spectacular results with all and I have had nil results with all on occasions and on others might as well saved my money.
There are no doubt, good and bad practitioners in everything just as there are good and bad GPs and good and bad specialists.
Now we are getting down to something legal. If she asks how many people are successfully treated, she has to be honest and she should be honest into ways, the percentage treats which are successful and the percentage which the market treats which are successful. You can of course do your independent research but that’s the only way of coming up with a figure.
If she makes up a figure all lies, then she is in breach of the Misrepresentation Act and the Consumer Rights Act for failing to carry out a service which is as described and potentially without care and skill.
Assuming that the figures are correct and she hasn’t lied, she could just say that you are one of the 20%.