Source: Life magazine - December 7, 1936
I think i have seen this ads somewhere with same catch phrase.
Found, this is it https://sh.itjust.works/post/21718706
5 points
proved again and again in the great laboratory of human experience
Proved. Boy the Qanobs have always been around huh
3 points
And from John Hopkins study: Smoking and the Digestive System
First sentence is "Smoking can harm your digestive system in a number of ways. " :)))))
So, camel either put on false ads, or they are doing low quality reasearch and think it is correct.
5 points
3 points
If the paint was so well preserved on the coatl statue I’d be losing my mind right now. Another lie of cigarettes.