Proteins are essential for growth and it is important to eat the correct amount.
The estimated daily requirement (EAR) can be calculated by using this.
EAR (in g) = 0.6 x Body Mass (in KG)
Low Protein intake causes a disease called kwashiorkor.
First Class Proteins: are from meat and fish, they contain the essential animo acids.
Second Class Proteins: are from plants, they do not contain the essential animo acids.
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