Alcohol
Alcohol (chemical designation ethyl alcohol or ethanol) was a colorless, liquid chemical, usually the by-product of fermenting sugar. Alcohol could be a powerful psychoactive drug with intoxicating effects on humanoids. The effects of polywater intoxication were similar to those of alcohol. 

Due to its emboldening effects, alcohol was sometimes referred to as "liquid courage." ()

Vulcans didn't drink wine, and in fact were said to have been spared the dubious benefits of alcohol altogether. (; )

Alcohol could be used as a coolant or disinfectant. (; )

In 1957, Stron listed alcohol, frozen fishsticks and the constant threat of nuclear annihilation as the questionable things Humans had to offer. ()

In 2263 in the alternate reality, during a birthday party for Captain , Jaylah consumed a large quantity of alcoholic beverages, having been told that it would take her "edge" off, but admitted to  that this had not happened. ()

When mixed with a theragen derivative, it blocked certain nerve impulses to the brain; such a mixture was used to treat the effects of prolonged exposure to interphase in 2268. ()

By the 24th century, alcohol was often replaced by synthehol, which carried all the properties of alcohol, but without the deleterious effects. Starfleet replicators were designed with optional programming to produce real alcohol though. ()

Poteen was a traditional Irish alcohol that was quite strong, which continued to be brewed the traditional way by the Bringloidi of Bringloid V.  The Klingons had an even stronger drink, chech'tluth. ()

It was impossible for Data to get drunk from alcohol. ()

In 2371, the high alcohol level in Fred Noonan's blood made it difficult for a vascular regenerator to heal his injuries. ()

In 2374, a lifeform, having newly stolen Tom Paris' DNA, replicated five alcoholic beverages in 's mess hall and became thoroughly intoxicated. ()

That year, Quark told Major Kira that people were willing to pay a lot for a glass of burning alcohol referring to flaming cocktails. ()

External links

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fr:Alcool
 
Drugs