this post was submitted on 06 Jan 2026
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That was by far the easiest way for them to ensure the water was safe to drink.

Actually, the alcohol in beer isn't concentrated enough to kill off most microbes. Even yeast doesn't die off until you start getting >13%, and there's varieties of yeast that can tolerate twice that concentration.

The reason why beer was safer to drink than water is because the brewing process requires it to be boiled. Beer was preferrable to boiled water due to taste and because it provided an extra source of calories