Alcohol is the third leading preventable cause of cancer in the United States, following tobacco and obesity. While 90 percent of Americans know tobacco causes cancer, fewer than half realize alcohol does as well. Like tobacco warnings, alcohol warning labels would help consumers make more informed health choices.
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https://pmc.ncbi.nlm.nih.gov/articles/PMC2593056/#sec14
Honestly, blah blah blah I don’t think it would change much of anything blah blah blah is just really silly. The information is out there, why not look at it?
I never questioned the effectiveness in terms of teaching the consumer. As I’ve said, I’m in favor of that and it’s great.
However, people tend to continue their consumtion despite better knowledge. At least I remember this being the case with cigarettes. So it does almost nothing for the general health of your population. As others already mentioned, plain labels, a ban on marketing and similar actions are probably far more effective.
Fun fact: while all the other packages have gory images on them, the “smoking causes impotence” ones show a floppy cigarette