I work in the health field and avoid sugar, especially added sugars or refined grains. I council a lot of others to do the same.
Have you ever read Good Calories Bad Calories by Gary Taubes? It's a really interesting book questioning the current religion of high carb eating that is going on.
Or for the less reading inclined...
Big Fat Lies with Gary Taubes, 02/06/08 Stevens Institute of Technology 