I'm a medical student. According to legend, yes, William Osler (one of the founding physicians at Johns Hopkins Hospital) used cocaine to increase his energy a

I'm a medical student. According to legend, yes, William Osler (one of the founding physicians at Johns Hopkins Hospital) used cocaine to increase his energy and focus while working. https://en.wikipedia.org/wiki/William_Osler https://en.wikipedia.org/wiki/William_Osler