Davis Liu, MD, a board-certified family physician with the Permanente Medical Group in northern California. He has a degree from Wharton School of Business at University of Pennsylvania, Philadelphia, and is an expert in evaluating health-care policy. He is author of Stay Healthy, Live Longer, Spend Wisely (Stetho).
We all know that we should eat right, exercise and not smoke. But lesser-known -- and sometimes seemingly minor --…
