I dont have the competence to determine with certitude whether Griffina charlatan and a quackor the medical community is right about this subject My belief that the latter are correct is rooted in a rational and nonfallacious appeal to authority which is grounded in my respect for the scientific method and the process of peer review I am virtually  certain Griffin is wrong But my belief in that regard is technically tentative rather than absolute based as it is on an appeal to authority I imagine that everyone else here is in the same boat as me they disbelief Griffin because of an appeal to authority Appeals to authority can be strong arguments but they are at best probabilistic