In “The Ketamine Papers,” Wolfson offers “a very partial list of antidepressants.” On his list: “anticonvulsants, stimulants, marijuana, exercise, meditation, hedonism, temporary satisfaction of cravings, elimination of cravings, oxytocin, sexuality, spiritual practice, money, love, children, activism, justice, a good job, respect, friendship, education, a good book, a bad book, and so on.”