Why do people today live longer and healthier lives than people in the past?

People today live longer and healthier lives due to advancements in medical science, including vaccines and antibiotics that prevent and treat diseases. Improved nutrition, better access to clean water, and enhanced sanitation have also significantly reduced the incidence of Infectious Diseases. Additionally, increased awareness of health and wellness, along with lifestyle changes such as regular exercise and healthier diets, contribute to overall longevity and quality of life.