Bathe your baby only twice a week
From three times a day to twice a week. In the 70s there was a more relaxed approach to the babies hygiene and mother & baby magazine advised to only bathe your baby twice a week.
Give your baby raw egg yolk at 3 months old
What a recipe! As a transition from breastfeeding to solid foods, moms in the 60s were encouraged to give their babies raw egg yolk starting at 3 months old. Hello, salmonella!