Answer:
the danger runaways could face is that they could not know how to survive in the wild and they will not have a home and they could get very skinny and very ill.
One of the main reasons why life expectancy dramatically rose in the past century was due to different factors. One that surely contributed to them was better access to medical equipment and medical advances themselves. As well as better nutrition that was available to the common person.
Approximately 1 week after antibiotics started and no other symptoms are present.