- A lack of protein will have a negative impact, especially in periods when protein requirements are higher (growth, pregnancy, feeding, ageing, illness, etc). In developing countries, protein deficiency (called ‘kwashiorkor’ that usually affects children) is expressed by a delay in growth, oedemas and a greater vulnerability to infections. In developed countries, diets that are not well balanced, such as vegan diets that only supply plant proteins, could sometimes cause problems (especially for children).
- An excess of proteins can be eliminated by your body. However, an excess of proteins could be harmful for people suffering from kidney disease.
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