The Ability of Some Individuals to Find Pleasure in Tobacco

Multiple Choice

The ability of some individuals to find pleasure in tobacco, cannabis, and certain other plant-based substances could have evolved in response to or as a side effect of:

A) past populations' infection with helminths (parasitic worms)
B) the existential dread provoked by awareness of death
C) exposure to cowpox among those who work with cattle
D) famine or hunger
E) the invention of flush toilets, soap, and running water