It took coercing and candies to get many of the kids to hand over their arms, but this is important. They need to know early if they have anemia. It is worth the temporary pain of a finger prick. Peruvian medicine (and all other medicine) has to remember that preventing disease is far better than finding solutions to disease. This seems intuitive, but it is not always the applied practice.
I recently read an article that said there are three types of travel: travel that calms you, travel that excites you, and travel that causes a revolution in your heart. When I returned home, I could tell that I had changed mentally. New perspective, a paradigm shift, call it whatever you want. Something was different and I began to notice myself looking at situations differently.