Throughout history, many cultures have experienced the effects of verifiable hea
lings, along with hexes, curses, witchcraft, voodoo and other mysterious phenome
na. These effects - many of which were elicited by unscientific means - were bro
ught about by the beliefs and lore of the society. Even today, pharmaceutical co
mpanies use double- and triple-blind randomized studies in an attempt to exclude
of the power of the mind over the body.
