On the preservation of the health of body and mind

action animal animal heat appears applied army Asia Author bath Beaupré benumbed blood body brain brought Captain causes circulation circumstances climates cold consequently considered cooled countries covering dangerous death developed difference diseases early effect effects of cold elevated established experiment exposed exposure extreme fact fall feel feet fire follow France freezing frozen functions greater half heat hour influence injurious Insanity intense interesting knowledge latter lives means Mental mind mirrors morbid mountains nature never night observes perished persons placed preserved preventing principle produced recommended recovered reference regions remarkable remedies respect restored result Russia sal-ammoniac salt says seasons seen sensibility severe situation sleep snow soldiers soon spirit stimulating substances suffering Suicidal supposed surface Symptoms temperature thermometer treatment vessels warm warmth whole winds winter