It probably strains the meaning of the term to call the aftermath of the use of nuclear weapons at the end of the Second World War a natural experiment, but nonetheless there has been considerable study of survivors from those events and their health relative to control populations in other parts of Japan. Irradiation is known to produce what is effectively accelerated aging in the context of cancer treatment, producing an increased burden of <a href="https://en.wikipedia.org/wiki/Cellular_senesc…
Survivors of Nuclear Weapon Use in Early Life Exhibit Accelerated Immune Aging in Late Life
It probably strains the meaning of the term to call the aftermath of the use of nuclear weapons at the end of the Second World War a natural experiment, but nonetheless there has been considerable study of survivors from those events and their health relative to control populations in other parts of Japan. Irradiation is known to produce what is effectively accelerated aging in the context of cancer treatment, producing an increased burden of <a href="https://en.wikipedia.org/wiki/Cellular_senesc…