The magic word "Abracadabra" was thought to cure what?

Abracadabra is a popular phrase, now commonly used as an incantation by magicians. In ancient times, however, the word was taken much more seriously as an incantation to be used as a cure against fevers and inflammations. It was first mentioned in this capacity in De Medicina Praecepta by Serenus Sammonicus, physician to the Roman emperor Caracalla, who prescribed that the sufferer from the disease wear an amulet containing the word written in the form of an inverted cone: http://www.lsned.com/abracadabra-cure-fever/

A bra cad a bra was thought to cure dropsy.

Only someone with an amazing mammary would remember that.

It was also thought to cure hayfever.