Interesting. I remember Jesus telling his disciples not to worry about what they eat and drink.
Luke 12:22-23
22Then Jesus said to his disciples: “Therefore I tell you,
do not worry about your life, what you will eat; or about your body, what you will wear.
23For life is more than food, and the body more than clothes
I think Jesus was more concerned about the kingdom of God than whether or not one should drink coffee.
However Jesus did say:
(New Testament | John 6:53 - 55)
53 Then Jesus said unto them, Verily, verily, I say unto you, Except ye eat the flesh of the Son of man, and drink his blood, ye have no life in you.
54 Whoso eateth my flesh, and drinketh my blood, hath eternal life; and I will raise him up at the last day.
55 For my flesh is meat indeed, and my blood is drink indeed.
Therefore there is some importance in what we eat and drink. Should we drink poison? Joseph Smith was forced to drink poison. I believe that if we are forced to sin it will not be held against us. There are many laws of health in Leviticus that I believe were for the benefit of man. As for John the Baptist it was said:
(New Testament | Luke 1:15)
15 For he shall be great in the sight of the Lord,
and shall drink neither wine nor strong drink; and he shall be filled with the Holy Ghost, even from his mother's womb.
This is the vow of the Nazarite:
(Old Testament | Numbers 6:1 - 8)
1 AND the LORD spake unto Moses, saying,
2 Speak unto the children of Israel, and say unto them, When either man or woman shall separate themselves to vow a vow of a Nazarite, to separate themselves unto the LORD:
3 He shall separate himself from wine and strong drink, and shall drink no vinegar of wine, or vinegar of strong drink, neither shall he drink any liquor of grapes, nor eat moist grapes, or dried.
4 All the days of his separation shall he eat nothing that is made of the vine tree, from the kernels even to the husk.
5 All the days of the vow of his separation there shall no razor come upon his head: until the days be fulfilled, in the which he separateth himself unto the LORD, he shall be holy, and shall let the locks of the hair of his head grow.
6 All the days that he separateth himself unto the LORD he shall come at no dead body.
7 He shall not make himself unclean for his father, or for his mother, for his brother, or for his sister, when they die: because the consecration of his God is upon his head.
8 All the days of his separation he is holy unto the LORD.
The word of wisdom was not given as a law when it was first given.