Since Grant's presidency, the emphasis on limiting the consumption of meat has lessened, but there have been some church leaders who have taught on the subject. In a 1948 LDS general conference address, apostle Joseph F. Merrill emphasized the importance of not eating meat as "freely as many Americans are doing". In 1950, apostle and plant scientist John A. Widtsoe wrote, in relation to meat consumption, "they who wish to be well and gain the promised reward stated in the Word of Wisdom must obey all of the law, not just part of it as suits their whim or their appetite, or their notion of its meaning." As recently as 2012, official church spokesperson Michael Otterson stated "the church has also encouraged limiting meat consumption in favor of grains, fruits and vegetables. To this day, the LDS Church's hymnal includes a hymn with the following lyrics: