Author’s reply to Langford, Cowen, Chekroud and Krystal

I wrote an almost identical editorial in 1991.1 2 Covering the marketing of serotonin in 1997,3 I cited Jerome Gaub’s 1767 opinion of Leibniz’s views on the relations between mind and body—it is a “fable whose novelty has recommended it, whose recommendation has spread it, whose spread has polished it, refined and adorned it with . . . a pleasing look …