Since the conclusions are at the end of the article, there's no need to guess Every country should and can do better in this respect, but a particular weakness

Since the conclusions are at the end of the article, there's no need to guess Every country should and can do better in this respect, but a particular weakness of the US is a lack of success in preventing poor health. Many of the important factors – smoking, obesity, violence, poverty – are not about providing better healthcare for those that need it, but about preventing poor health outcomes in the first place. The failure to prevent poor health is a factor that is contributing to both developments shown in the first chart. They worsen the health of the American population and they are expensive for the healthcare system.