Authoritarian political ideologies have a vested interest in promoting fear, a sense of the imminence of takeover by aliens and real diseases are useful material. ↗
Heart disease continues to be the number one killer; cancer, the number 2 killer, not far behind. The tragic aspect of these deadly diseases is that they could all be cured, I do believe, if we had sufficient funding. ↗
There are, in truth, no specialties in medicine, since to know fully many of the most important diseases a man must be familiar with their manifestations in many organs. ↗