Sugar en Cutting sugar consumption helps keep extra weight off How evil is sugar? That's long been a hard question for researchers to answer. Most of the studies about sugar's health effects to date have been too small, too short-term, or too poorly designed to nail it one way or another.<p>But a new <a href="http:/">mega-study</a> on sugar and weight tries to fill that void. Researchers at the University of Otago in New Zealand looked at more than 15,000 of studies on sugar and obesity at the request of the World Health Organization, which is updating its guidelines on sugar intake. Wed, 16 Jan 2013 20:33:10 +0000 Nancy Shute 7574 at