The Food Substances in this Class are divided into _four_ groups,
namely:—Those containing alcohol, those containing volatile oils, those
containing acids, and those containing alkaloids, which act upon the
nervous system as stimulants or sedatives.
The Food Substances in this Class are divided into _four_ groups,
namely:—Those containing alcohol, those containing volatile oils, those
containing acids, and those containing alkaloids, which act upon the
nervous system as stimulants or sedatives.