You must have heard mysterious conversations around you, where an opinion leader discusses theories of life and death, and you listen carefully. In this context only, some reports suggest the human body may show signs up to an hour before death and that the brain may release chemicals affecting awareness or physical senses in the final moments. These ideas have circulated widely on social media and in lifestyle articles, prompting questions about what actually happens as life ends. Medical research shows that the process of dying is gradual. In the hours...