Obedience to health laws can enhance physical, mental, and spiritual well-being. Tobacco, alcoholic beverages, coffee, tea, and drugs are to be avoided. Modern prophets have stressed that people should keep their bodies healthy. Other principles, such as love, kindness, compassion, forgiveness, and charity, foster a healthy and positive mental perspective. A God-given moral code promotes good health and enduring family life by requiring chastity before marriage and total fidelity within marriage.
Mortality is a time for the spirit to constrain and discipline the body's appetites.
Thus, Latter-day Saints believe that God has mandated striving to achieve and maintain optimal health. A central purpose of mankind's creation is negated when one trivializes, through wrong choices, the sacredness of one's own body or the body of another. A Key to Joyous Living.