Human Body Anatomy: Integrated Systems & Physiological Health

In the human body, health is maintained through the interconnectedness of organ systems, proper posture, and stable biochemical metabolism.

Man with bedhead trying to cover his hair with hand

What Are the Causes of a Sensitive & Painful Scalp?

Scalp pain and sensitivity occur for a variety reasons, ranging from common skin conditions and infections, to the physical irritation from scratching or harsh chemicals. Disorders affecting the nerves and blood vessels can also cause scalp tenderness and sensitivity.

Read more →
Business overworked

Complete List of Premenopausal Symptoms

Several years before menopause, you may begin to experience a variety of symptoms that your ovaries are failing. Premenopausal women may experience such a wide range of symptoms -- headaches, joint aches, hot flashes, sleep disturbances -- that one woman's journey may be completely different from that of her friends.

Read more →