As skin ages, it slowly loses its ability to renew and protect. The outermost layer, called the epidermis, becomes thinner.

What is the difference between thin and thick skin? Read on the learn more about the differences in appearance, structure, and function of thin and thick skin.

The skin is the body’s first line of defense, ensured by the barrier function role of the stratum corneum. When this barrier ...

The functions of biomolecules, including lipids, nucleic acids and especially proteins are determined to a great extent by their structure. This structure–function relationship is a foundation ...

Amino acids are the fundamental building blocks of proteins, playing crucial roles in the structure and function of the body. Learn about their types, peptide bond formation, metabolism, and ...