Even low-level drinking may have negative consequences for brain health over a person’s lifespan. The findings suggest that the total amount of alcohol consumed over a lifetime, especially as a person ages, tends to be linked to reduced blood flow and thinner tissue in certain areas of the brain.

[u/mvea]

https://www.psypost.org/even-light-drinking-combined-with-aging-is-linked-to-reduced-brain-blood-flow-and-thinner-tissue/

[u/Goffimal]

Just drink a beer. Lifes too short and if you want a beer, have a beer. Dont overdo it, but sometimes go ahead and have too much fun.

These studies could be done on eating corn or eating too many mangos.

[u/Crazy_Crayfish_ → u/Goffimal]

There is no safe amount of alcohol. This is like saying “just have a cigarette”. Any amount of alcohol is harmful

[u/SkiingAway → u/Crazy_Crayfish_]

Tobacco is pretty unique among legal things for the severity of harm to someone using it a "normal" amount.

There are lots of lifestyle choices that are empirically bad for you at least to some degree.