In California, at least, there is plenty of theological haze among Christians regarding the use of marijuana. Here, I want to state my view clearly and make a plea to any Christians who are presently using marijuana to repent. This will be brief and, hopefully, clear, not exhaustive.
I believe marijuana has legitimate use, in some circumstances, for medical purposes, though I think it’s overused in such a category.
Marijuana is, by nature, a mind-altering drug. That is how it functions. It is very difficult, if possible at all, to use marijuana and remain sober-minded (1 Pet 4:7, 5:8).
Use of alcohol beyond the point of sober-mindedness is condemned in the Bible, and that sober-mindedness fades almost immediately in the use of marijuana. Anything that causes dissipation, a foggy mind, is prohibited for the Christian (Eph 5:18).
Marijuana is not equivalent to alcohol use. Alcohol has uses in Scripture that are lawful and encouraged.
We use wine in the Lord’s Supper (Matt 26:26-28, 1 Cor 11:23-26).
We use wine for medicinal purposes (1 Tim 5:23). Marijuana has a place here, but it is limited.
Wine is used for celebration (Ps 104:15). It’s used to make glad hearts. Marijuana does not bring about the glad, sober celebration that a right use of wine is given for and able to accomplish. Marijuana breeds laziness and complacency.
Herbs are given for men in Psalm 104:14, but this is for sustenance, not for getting high. The Psalmist is talking about salads more than weed for smoking purposes.
Sorcery and witchcraft are the translations in the New Testament for the Greek word pharmakeia in the Bible, from which we get the word pharmacy/pharmaceuticals (drugs). It’s often connected to occultic practice. Drug use in times past was thoroughly mixed with idolatry. Though these things can be separated, pharmakeia refers to both. Both idolatry (witchcraft or sorcery) and drug use (smoking marijuana) are condemned under pharmakeia (Gal 5:19-21).
THC negatively impacts nervous system cells and leads to long terms issues with memory (do you really want to grow up to be like Joe?). Marijuana remains in your system for up to a week after one use (alcohol only lasts hours). It’s a drug that harms and deteriorates by nature.
Furthermore, if you’re a Christian using marijuana, you do so over and against the across-the-board counsel of the church. Do not be more high-minded than you ought to be. Hear wisdom. Hear those worth trusting who stand unanimously (from what I’ve read) opposed to Christians smoking marijuana. Cut, don’t smoke, the grass.
Repent and stop smoking marijuana. Free, full forgiveness is offered in Christ.
And tobacco is better.
Reader, if you’re interested in my sources, I got much of this from the appendix to Doug Wilson’s book, Future Men. Do yourself a favor and read the whole thing. It’s a dank read.