Although recorded as a revelation by Joseph Smith in 1833, actually observing the "Word of Wisdom" (as Mormons refer to it) was not required of church members until the early 20th century. Name two things that the Word of Wisdom forbids doing (either in modern LDS practice or as originally communicated by Smith).
Drinking Alcohol, Using Tobacco, Drinking Coffee (Black Tea, "Hot Drinks"), Using Illegal Drugs, Immoderate Meat Consumption