We love to celebrate caffeine’s action as a drug while pretending it isn’t a drug. This mug is appealing because it tweaks our denial on this topic.
Along the same lines, I’ve admired coffee mugs emblazoned with a standard material safety data sheet for caffeine. Here’s a version on cafepress: http://www.cafepress.com/mf/31815311/caffeine-chemical-hazard-and-msds_mugs
