Aoife Hearne: The connections between teenagers' diet and iron deficiency

Aoife Hearne: "Iron requirements increase during the teenage years. Teenagers are recommended to aim for 7-13mg a day."

My teenage daughter often gets pale and listless during her periods, which can be quite heavy. She's a picky eater and has a plain diet. Are there particular foods she should focus on?

The eating habits of teenagers are not fixed — they fluctuate depending on physical, social and cognitive development.