for tobacco use only signs Free OSHA Compliant Sign Material Types Safety Sign: Smoking Permitted In

Unlike some other vitamins, the percent absorbed does not decrease with increasing dose, so that even at amounts of 3-4 grams, absorption is nearly complete

JAMA Psychiatry 75 , 754755 (2018)

General effects of cannabis can include: euphoria, relaxation or drowsiness, deficits in cognitive processes, can result in accidents when individuals are not in a safe environment (car accidents*, falls, injuries) *Never operate a vehicle while under the influence of mind-altering drugs, including cannabis, alcohol, opioids, and other substances

If you're smoking, you don't have your act together

It has just enough of both to fit that roll