Everything is toxic.
Drink too much water and you'll get potentially fatal water poisoning. Breath too much - hyperventilaton can cause really nasty things
This is always the first reaction when someone brings up toxicity of alcohol in a pub, including the Paracelsus quotation. But it misses the point: alcohol is very toxic in the small amounts consumed while drinking "in moderation", water isn't. There is a good reason why we usually avoid some substances.
https://www.fatherly.com/news/global-study-finds-that-no-amo...