An inquiry into the propagation of contagious poisons, by the atmosphereNote 11 — Chapter XIV · PREVENTION OF DISEASE BY AN ACTIVE AND CHEERFUL STATE OF MIND, SUFFICIENT CLOTHING, AND WHOLESOME DIET.Reading editionBallingall’s Military Surgery.◇Copy noteReturn to CHAPTER XIV. PREVENTION OF DISEASE BY AN ACTIVE AND CHEERFUL STATE OF MIND, SUFFICIENT CLOTHING, AND WHOLESOME DIET.