The immune system is a complex network of cells and proteins that defends the body against infection.

Hormones are chemical messengers that carry information to cells. The sex hormones (estrogen, progesterone, testosterone) are responsible for growth, development and reproduction and play a significant role in our health and well-being throughout life. A hormone...

Hair is ‘fed’ by the blood vessels lying just beneath the scalp. Between starting to grow and falling out some years later, each hair passes through four stages: anagen, catagen, telogen and exogen. In healthy individuals, up to 80% of hair can be in the course of...