Benjamin Franklin was an advocate for public health and exercise in the 1700s. He published articles promoting good diet and exercise, and emphasized walking, swimming, and a moderate diet as important for preventing disease. Franklin was an early proponent of exercise and understood concepts like calorie burning. He advocated for physical education for students and outlined "Rules of Health & Long Life" emphasizing diet and exercise. Franklin promoted temperance, drinking water over alcohol, and daily exercise with dumbbells.