Kisch of Prague, on kissing problems

Between 1897 and 1899, many medical journals (e.g. the Canadian Medical Review, shown here) carried this blurb, about a recent advance by Dr. Enoch Heinrich Kisch. Never before had anyone realized that the withdrawal method of birth control leads to female dissatisfaction… which leads to occasional heart palpitations… which lead to irregular heartbeat, constipation, vertigo, […]