Warning: A scientific result that a treatment "doesn't help" is always suspicious: (A) The study may have neglected to measure all the ways the treatment mig

Warning: A scientific result that a treatment "doesn't help" is always suspicious: (A) The study may have neglected to measure all the ways the treatment might help. (B) Getting a result of "doesn't help" is always easy -- just use a silly means, e.g., insensitive or nearly irrelevant, of evaluation.