A headache is pain that originates in the head or upper neck area of the body. The discomfort comes from the tissues and

Headache is defined as pain arising from the head or upper neck of the body. The pain originates from the tissues a

A headache is discomfort that originates in the head or upper neck and spreads to the rest of the body. The tissues and

A headache is a type of pain that starts in the head or upper neck. Because the brain lacks any pain-producing nerves, t