The doctor of the future will give no medicine but will interest his patients in the care of the human frame, in diet and in the cause and prevention of disease.

Attributed to Thomas A. Edison, the remark imagines a shift from medicine-as-drug-treatment to medicine-as-prevention and education. The “doctor of the future” is envisioned less as a dispenser of remedies and more as a guide who motivates patients to understand their bodies (“the human frame”), adopt healthier diets, and focus on the causes of illness rather than only its symptoms. The quote resonates with early 20th‑century enthusiasm for scientific progress and reform movements emphasizing hygiene, nutrition, and public health. Its enduring appeal lies in anticipating modern preventive medicine and lifestyle counseling, though the attribution is often repeated without clear primary documentation.