Pease be specific and explain exactly what you mean. Fact 1: If you drink alcohol that has been denatured with an essentially nontoxic bitterant such as Bitre

Pease be specific and explain exactly what you mean. Fact 1: If you drink alcohol that has been denatured with an essentially nontoxic bitterant such as Bitrex/denatonium then with sufficient quanties you'll suffer ethanol/acetaldehyde poisoning and in the long term you'll likely liver cirrhosis - but you won't likely go blind. Fact 2: If you drink ethanol denatured with methanol (and likely pyridine that usually accompanies it) then you'll likely go blind - and if you drink enough of it for long enough then you will definitely go blind. No ifs or buts, just scientific fact - that's if the methanol doesn't first kill you outright. https://en.m.wikipedia.org/wiki/Methanol_toxicity https://en.m.wikipedia.org/wiki/Methanol_toxicity Fact 3: Ethanol denatured with nontoxic bitterants (denatonium) is considered to have a better public health outcome as alcoholics will still suffer the short and long term effects of ethanol whether they drink whiskey or industrial ethanol but those negative outcomes, whilst bad, are not as bad as combined ethanol/methanol/pyridine mixtures.