There was so little known about the dangers of smoking that people smoked everywhere. An airplane cabin could be filled with smokers, even with small children on board

airport security became really became a serious concept after some high-profile hijackings

PregnancyMany pregnant women smoked and drank in the '60s

 in most countries around the world, drinking and driving at the time was generally acceptable

Corporal punishment in schools was acceptable. Striking a misbehaving child’s knuckles with a ruler was common, for instance

Physical punishment was acceptable in schools because, of course, it was a common means of disciplining children at home too

People rode bicycles without helmets recreationally and in many cycling competitions

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