A study done by the Hudson Institute shows an increase in sales of 5.5% on average in same store sales of restaurants which increased lower calorie items on the menu. The reverse is taking place for restaurants that have neglected to do this, with these restaurants experiencing a decline in sales. This was based on research firm NPD and restaurant data at 21 fast-food and sit-down restaurant chains between 2006 and 2011. Chains that include lower calorie counts on menus include Panera, McDonalds, Denny's and Au Bon Pain chain. Federal regulations will require restaurants with 20 or more outlets to post the calorie counts in early 2014. The process of moving Americans away from eating habits that lead to obesity is moving at a slow pace. Margo Wootan, director of nutrition policy at the Center of Science in the Public Interest, says large serving sizes at restaurants lead to overeating and obesity. Frequency of eating at restaurants is another problem, with studies showing women who eat out more than 5 times a week take in about 290 calories each day compared to women who do not eat out that often. The healthy options at restaurants are still restricted to a small portion of menus and healthy choices are limited....