One of the major examples of invisible guardrails that keep our world functioning is disease control. Bubonic plague isn't extinct, but being controlled by plague prevention centers all over the world spanning from Russia and China, to Peru and Americas.
There also was infamous case in Victorian England, where smallpox vaccination became so effective that people decided that vaccination was no longer necessary which resulted in the epidemy and it took decades to regain population shield back.
The infectious way of the way public stops regarding certain illnesses as serious after significant improvement of medical treatment can be noticed in rabies. It's popular enough sentiment that rabies can't be that bad since people don't... (read more)
One of the major examples of invisible guardrails that keep our world functioning is disease control. Bubonic plague isn't extinct, but being controlled by plague prevention centers all over the world spanning from Russia and China, to Peru and Americas.
There also was infamous case in Victorian England, where smallpox vaccination became so effective that people decided that vaccination was no longer necessary which resulted in the epidemy and it took decades to regain population shield back.
The infectious way of the way public stops regarding certain illnesses as serious after significant improvement of medical treatment can be noticed in rabies. It's popular enough sentiment that rabies can't be that bad since people don't... (read more)