The most often used mood-altering drug around the world, caffeine has nearly an equal amount of advocates as it does detractors -- it's even moving into the holy 'anti-oxidant' status, previously reserved for the likes of broccoli and pomegranate. But up for debate is how much should be consumed by pregnant mothers, and we found this interesting article that highlights different studies and their findings, with an overall recommendation that coffee consumption be either avoided or greatly reduced while pregnant.