When Dr. Sylvester Graham created Dr. Graham's Honey Biskets in 1829, he believed the graham meal would suppress any carnal desires (i.e. masturbation). Although this was never proven scientifically at the time, Graham may have been on to something.
Any refined carbohydrates, such as those loaded into graham crackers, can still wreak havoc on a man’s intimate time. Excess refined carbohydrates (bleached white flour) can zap testosterone levels. Sugars from refined carbs will not only make a man gain weight but can raise the level of estrogen and deplete his testosterone levels.