Anecdotal, but I recently started a no-sugar diet just to see what would happen, and I saw an immediate improvement in my mood. I wake up feeling excited about my day instead of groggy. I also get less tired in the evenings after work. It's not perfect, but there's a clear difference. I'm not going back. Also, it made me realize how much sugar/HFCS/etc. is in everything. I have a feeling the next few decades of resea…
Looking at the nutrition labels of American foods can be pretty depressing. The amount of added sugar in almost any food is really high. Even pasta sauce and breads are full of sugar.