Home » QAQuick Answer: Is Stress The Number One Killer?ContentsHow many deaths are caused by stress?What is the number 1 cause of death in the world?Can a person die from too much stress?What is the #1 killer in the USA?How many deaths are caused by stress?.What is the number 1 cause of death in the world?Can a person die from too much stress?What is the #1 killer in the USA?