Egilman was sufficiently clever to discern that if his “method” led to a conclusion that silicone gel breast implants cause autoimmune disease, but the Institute of Medicine, along with court-appointed experts, found no basis for a causal conclusion, then by modus tollens Egilman’s “method” was suspect and must be rejected.[1] This awareness likely explains the extent to which he went to cover up his involvement in the plaintiffs’ causation case in the silicone litigation.