Key Stage 3
Meaning
A deficiency disease is an illness caused by missing some nutrients from your diet.
About Deficiency Diseases
- Not having a balanced diet can cause a deficiency disease.
| Starvation | Obesity | Scurvy | Kwashiorkor | Rickets |
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| Not enough food, especially foods with a lot of energy, causes you to become too thin. | Too much food, especially foods with a lot of energy, causes you to gain weight and increases the risk of heart attack. | Not enough Vitamin C causes your wounds to stop healing, sores to appear on the tongue and skin and teeth to fall out. | Not enough protein causes your organs to swell. | Not enough Vitamin D causes bones to become bendy. |