Primary Causes

1. Lowered vitality due to overwork, nightwork, excesses, overstimulation, poisonous drugs and ill-advised surgical operations.
2. Abnormal composition of blood and lymph due to the improper selection and combination of food, and especially the lack of organic mineral salts and other essential nutritional elements.
3. Accumulation of waste matter, morbid matter and poisons due to the first two causes, as well as to faulty diet, overeating, the use of alcoholic and narcotic stimulants, drugs [both street and prescription], vaccines, accidental poisoning and, last but not least, to the suppression of acute diseases (Nature's cleansing and healing efforts) by poisonous drugs and surgical operations.

Secondary Causes

1. Hereditary and constitutional taints of sycosis, scrofula, psora, syphilis; mercurianism, cinchonism, iodism and many other forms of chronic poisoning.
2. Fevers, inflammations, skin eruptions, chronic sinus discharges, ulcers, abscesses, germs, bacteria, parasites, etc.
3. Mechanical subluxations, distortions and displacements of bony structures, muscles and ligaments; weakening and loss of reason, will, and self-control resulting in negative, sensitive and subjective conditions which open the way to nervous prostration, control by other personalities (hypnotic influence, obsession, possession); the different forms of insanity, epilepsy, petit mal, etc.

In correspondence with the three primary causes of disease, Nature Cure recognizes the following: