Free Preview of The Safety-Valve of Life: How to Prevent Disease and Promote Health. Vaccination and Its Results. Why Have Fevers and Smallpox? the Soul and Brain, Startling Ideas. Brain Fever and the Ice-Pad Treatment. Cholera and Hydrophobia. Facts from Personal Experi
The Safety-Valve of Life: How to Prevent Disease and Promote Health. Vaccination and Its Results. Why Have Fevers and Smallpox? the Soul and Brain, Startling Ideas. Brain Fever and the Ice-Pad Treatment. Cholera and Hydrophobia. Facts from Personal Experi