Dietetic and Hygienic Gazette, Том 18

able acid action active amount animal appear become better blood body called cause cells cent cold considered contains continued course cure death diet digestion disease drink effect energy exercise existence experiments eyes fact function give given habit hand human important increase keep kind learned less living matter means medicine ment mental method milk mind nature necessary nervous never normal nutrition organs patient period person physical physician possible practice prepared present produce proved quantity question reason remedy rest says stomach substance success taken things thought tion tissue treat treatment true usually various vital woman women