week 9 Nutrition for adolescents

Question 1

what are the key nutrient requirements at school-age?

Answer 1

iron and zinc: for growth and sexual development (absorption helped by protein intake). zinc deficiency can lead to growth retardation and sexual immaturity
calcium: for the development and achievement of >50% of bone mass, reduce risk of osteoporosis
folate: B-group vitamins to assist in releasing energy during rapid growth. particularly important for pregnant adolescents
vitamin D: from sun, supplements, fortified milk, margarine and eggs

Question 2

what are the issues with intake commonly experienced at this age?

Answer 2

requirements met by...
meat/alternatives: 1% of girls and 5-15% boys aged 12-18 yrs
dairy: 3% 12-13 yrs and 2% 14-18 yrs
vegetables: <1% of all adolescents
fruit: 35% 12-13 yrs, and 25% 14-18 yrs