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The change from 1800 to 1950 is mostly caused by soap, and the change from 1950 to 2015 by penicilline and the Haber process.
4 0 ReplyNot even. The biggest change is due to crazy high infant mortality rates no longer drastically reducing the average
7 0 ReplyYes, and what caused the reduction in infant mortality?
Soap. Or rather the revolutionary idea that it would be good if doctors and midwives used it.
9 0 ReplyWhich was largely due to the introduction of soap and hygiene practices during childbirth.
6 0 Reply
Do not forget vaccines.
5 0 Reply
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