Dr. Anastasia Searcy, DO is a family medicine specialist in Vermillion, SD and has been practicing for 8 years. She graduated from Des Moines Univ Coll Of Osteo Med & Surg in 2007 and specializes in family medicine.
Girls aged 11 to 13 need 1,800 to 2,200 calories per day while those between the ages of 14 and 18 need 1,800 to 2,400 calories per day, according to the Academy of Nutrition and Dietetics. One of the main factors affecting the calorie needs of teenagers is activity level.
According to TeensHealth, some teenage athletes may require up to 5,000 calories a day, depending on how active they are. Eating well-balanced meals and snacks often -- and letting hunger be a guide -- is beneficial for adolescent athletes.