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A Physiologist's Gospel
At the fortieth annual conference of the Sanitary Inspectors' Association, held at Plymouth, Prof. Leonard Hill, director of the department of applied physiology, National Institute of Medical Research, in his presidential address declared that happiness depended on the conditions and the environment of daily life far more than on wages, and it was by education in matters of health and by improvement in factory and home conditions that most could be done. If mankind turned from wars to the prudent limitation of population, combined with discipline of life and prevention of disease, an increase of general happiness might result through the great discoveries of science. There had been a great advance in the duration of life. The bills of mortality showed that in England, in 1759, half of those over 12 years of age were dead at 47; in 1912, half were dead at 66. Smallpox declined
LONDON. JAMA. 1927;89(18):1527-1529. doi:10.1001/jama.1927.02690180059021