JAMA. 1906;XLVII(21):1742-1743. doi:10.1001/jama.1906.02520210050005.
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In the fight against preventable diseases there has gradually come a time in the history of each one which has been systematically attacked, when a general and concentrated effort has been made to stamp it out. The crusade against tuberculosis may be cited as an example.

Keetley1 has recently suggested that the time has arrived when the prevention of cancer must be regarded as a practical problem ripe for solution. In this connection numerous precautionary measures are suggested, some of them eminently practical, others somewhat chimerical. All are based on the assumption that cancer is a parasitic disease. Among the practical suggestions that Keetley makes, the care of the mouth and teeth, the destruction of dressings from ulcerated malignant growths, the healing, when possible, of chronic non-malignant ulcers, and the excision of doubtful tumors are all worthy of attention. Other suggestions, as the sterilization of food, abstinence from alcohol,


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