No certificate shall be granted to any person to teach in the public schools of the District of Columbia or Territories who has not passed a satisfactory examination in physiology and hygiene, with special reference to the nature and the effects of alcoholic drinks and other narcotics upon the human system.
20 USC § 113
Teachers' certificates dependent on passing examination on effect of alcoholic drinks and narcotics
through Pub. L. 116-344, except Pub. Ls. 116-260 and 116-283