Yes, and why stop there - why not claim that tumors are caused by people thinking themselves sick, and advise patients to swap chemotherapy for CBT? Necrotising fasciitis? Well, we know that normal people can fight bacteria, so it is only those who think themselves week and crave attention who allow bacteria to eat their flesh! Off you go to CBT, you attention seeker. Severed limb? Oh well, if frogs can grow new ones it must be something in human psyche that likes to perpetuate feelings of victimhood and disability and therefore stops the limb from growing back. You see, anyone can do that. It gives one enormous sense of cleverness Off to reward myself with something now.