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Science·Organisms & Life Processes·conceptual

Diet Imbalance & Deficiency

Explain the health consequences of an imbalanced diet including obesity (excess energy), starvation (severe energy deficit), and deficiency diseases (lack of specific nutrients, e.g. scurvy, rickets)

Suggested ages 11–13

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Evidence of understanding

  • Defines obesity, starvation, and deficiency disease and links each to dietary imbalance
  • Identifies at least two specific deficiency diseases and the missing nutrient causing each
  • Explains why the impact of poor diet can be long-term

Assessment prompt

If Diet Imbalance & Deficiency heard about conditions like obesity or vitamin deficiency diseases, could they explain how eating too much, too little, or the wrong mix of foods leads to those health problems?

Standards alignment

KS3.Sci.Bio.Nutrition.3GB · uk-nc-2013

Consequences of imbalanced diets

The national curriculum in England: Key stages 1 and 2 framework document · KS3