Physical Requirements

"(6) The crystal should not be used soon after taking a meal, and care

should be taken in matters of diet to partake only of digestible foods,

and to avoid alcoholic beverages. Plain and nourishing food, and outdoor

exercise, with contentment of mind, or love of simplicity of living, are

great aids to success. Mental anxiety, or ill-health, are not conducive

to the desired end. Attention to correct breathing is of importance.