No one wants the bed bugs to bite, but when they do, what are the implications? Is it a health risk or a health concern? The prevalence of bed bug infestations has risen steadily over the past 10 years, and questions about the dangers they pose to humans continue to be debated. Recent scientific and media attention given to bed bugs’ resurgence has shined a light on the nocturnal parasite. Though they may be in the spotlight, the messages are anything but clear. Bed bugs had not been actively studied for decades until their resurgence in recent years.