Plain Facts for Old and Young by John Harvey Kellogg

4. _Stimulating drinks_ should be abstained from with still greater

strictness. Wine, beer, tea, and coffee should be taken under no circumstances. The influence of coffee in stimulating the genital organs is notorious. Chocolate should be discarded also. It is recommended by some who suppose it to be harmless, being ignorant of the fact that it contains a poison practically identical with that of tea and coffee. Hot drinks of all kinds should be avoided. Tobacco, another stimulant, though not a drink, should be totally abandoned at once.