My parents have told me that there was no birth control in the past as there were more deaths in all the ages of people from the new born babies to the adults. To compensate for these deaths there was only advocacy of getting more babies. Then the overall average life expectancy was only around fifty five years or so. But today, as you see it has increased in toto. The main reason for this is that we use soaps and detergents to wash out germs from our body. Use of these chemicals prevents diseases like Dysentery, Dental caries, Typhoid, Hepatitis, Rabies, HIV infection and what not? They combine with water and remove the germs containing dirt by their surfactant action. Improving our personal hygiene they wish us to have a happy long life.
Indeed these are wonder chemicals in deed to save us and to add years to our lives!
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