Celebrities Who Were Addicted

Freud's experiments with the drug led to the publication of a well-regarded paper called “Über Coca,” which he described as “a song of praise to this magical substance" in a “pretty racy” letter to his then-fiancé Martha Bernays. (He also promised she would be unable to resist the advances of: “a big, wild man who has cocaine in his body.”) Two years later, his health suffering, Freud apparently stopped all use of the drug and rarely mentioned it again.