Nutrition: Ages and Stages Healthy Eating While You Are Pregnant Make sure you're feeding your developing baby the proper nutrients. Healthy Teen Eating To keep up with your busy schedule it is important to learn healthy eating habits, which means eating a variety of healthy foods. Nutrition and the Aging Adult Aging is a dynamic and complex process that results from cellular, physiological and psychological changes. The Freshman 15 Reasons for Weight Gain There are emotional, social and practical reasons why freshmen are prone to weight gain. The 'Freshman 15': Weight Gain In College Isn't Inevitable Discover tips for preventing the increased pounds. What To Do Practical tips for avoiding the "Freshman 15."