Many people in society simply cannot function without a daily dose of caffeine. It is so prevalent in many diets. From coffee, to tea, to soft drinks, it has become a staple on par with corn or wheat, or even water. Of course caffeine is not necessary to survive, but it is sure good at keeping our eyes open. However, according to a new study from researchers at the University of Texas, caffeine does more than just keep us awake. It also energizes cells into producing more viruses used for gene therapy.