 After abandoning Kriya yoga , Salinger tried Dianetics ( the forerunner of Scientology ) , even meeting its founder L. Ron Hubbard , but according to Claire he was quickly disenchanted with it . This was followed by an adherence to a number of spiritual , medical , and nutritional belief systems including an interest in Christian Science , Edgar Cayce , homeopathy , acupuncture , and macrobiotics . 
