Recommended Dietary Allowance (RDA)| The primary goal of the RDA (used from 1942 until 1989) was to prevent diseases caused by nutrient deficiencies. Dietary Reference Intakes (DRIs) were established in the 1990s with a new goal: to not only prevent nutrient deficiencies, but also reduce the risk of chronic diseases such as osteoporosis, cancer and cardiovascular disease.|RecommendedDietaryAllowance.swf\Resistance Exercise| This type of exercise builds muscle strength  and endurance and includes free weights, weight machines and resistance band/tube workouts. Pilates, yoga and swim aerobics incorporate resistance exercise. Resistance training will increase strength, muscular endurance, and muscle size.|ResistanceExercise.swf\Riboflavin|(Vitamin B2) -This vitamin is important for growth, red blood cell production and metabolism (getting energy from food).  Food sources include: milk and other dairy products, liver, lean meat, poultry, fish, eggs, green leafy vegetables, and fortified breads and cereals.|Riboflavin.swf\