More people read blogs that you may realize. Smart, informed and professional people read blogs. In fact, I probably don't need to point this out, but you are probably a smart, informed professional person who is reading one now!
Dr. Veronica Note:
To amplify your message, start writing about how you see the world. The physician is still the highest respected profession along side of nurses in the US, UK and Canada. Even people who "play" phsycians raise their credibility so high that the public listens. To impact thousands to millions of people in the area of health and wellbeing and to change the landscape of health in the Western world and beyond, physician must make the time to have their voice heard by speaking and writing and YouTub-ing on issues of import.