Why Do We Have Hair?
The main purpose of hair is to protect the body. Hair keeps the top of the head warm in winter, and shields it from bumps and bruises. The hair in our nose and ears...
Read More
Why Does Hair Turn Gray When People Are Old?
Why Does Hair Turn Gray When People Are Old? Different hair colors, from blond to black, are determined by the melanin, or coloring matter, in your hair cells. This...
Read More
What Causes Freckles?
What Causes Freckles? Freckles are caused by the brown skin pigment called melanin. All of us have some melanin in our skin. Usually, this brown pigment is evenly...
Read More