Have you noticed that people who work in the medical field are getting younger all the time? All the people my age or older must have retired and now their children and grandchildren are taking their place.
In Uganda, sore throats -- strep, actually -- are so common that kids don't complain about it and aren't treated for it. This can create problems in their heart valves. And for some children, each round of strep causes more problems to those valves.