7. Loss of muscle mass and joint pain
Muscles are the body’s largest reservoir of protein. Muscle weakness, pain, and loss of mass is a sign of a protein deficiency. A study says this is commonly found in elderly people. Protein is essential for muscle growth and maintenance.
6. Skin and nail problems
A protein deficiency can affect the skin as well, as protein enables cell regeneration, produces new cells, and replaces dead ones. If this happens, you will notice your skin feeling dry, flaky, and cracked.
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