Meaningful Work?

I was watching Inside Bill's Brain the other day on Netflix and started thinking about my overall contribution to society. This guy is working towards clean water, sewage treatment, polio, and HIV elimination with me just jacking around on the internet. I love being a pathologist and enjoy my work, but I often contemplate if I'm doing enough to make the world a better place than how I found it. I realize I'm monumentally lucky by being in the US, owning my house, and living very... Meaningful Work?
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Tags: Pathology Source Type: forums