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The original was posted on /r/todayilearned by /u/breadlof on 2023-07-23 02:52:34.

Original Title: TIL that Ancient Romans added lead syrup to wine to improve color, flavor, and to prevent fermentation. The average Roman aristocrat consumed up to 250μg of lead daily. Some Roman texts implicate chronic lead poisoning in the mental deterioration of Nero, Caligula, and other Roman Emperors.