In addition to regulating the menstrual cycle, estrogen affects the reproductive tract, the urinary tract, the heart and blood vessels, bones, breasts, skin, hair, mucous membranes, pelvic muscles, and the brain.

Painful periods cause severe cramps and pain during a woman's period. It can start with your first period, or begin later in life. It can be related to an underlying condition, such as endometriosis.

Alcoholic hepatitis is liver damage caused by drinking too much alcohol over time. Learn about symtpoms, diagnosis, treatment, and possible complications.

Detailed information on the most common types of eating disorders, including anorexia, bulimia, and binge eating disorder

Dysthymia is a mild, but long-lasting form of depression. Learn more about this condition, including causes, symptoms, diagnosis, and treatment.

Cervicitis is irritation or infection of the cervix. It can be caused by a number of different sexually transmitted diseases.

Detailed information on the most common types of mood disorders, including major depression, manic depression (bipolar disorder), dysthymia, seasonal affective disorder, and suicide

Bipolar disorder is a mood disorder. People with bipolar disorder switch between periods of mania and periods of depression. There is no cure, but medicine and therapy can help manage symptoms.

Detailed information on the most common types of anxiety disorders, including panic disorder, obsessive-compulsive disorder, post-traumatic stress disorder, generalized anxiety disorder, and phobias

Posttraumatic stress disorder is a debilitating anxiety that can affect people who have been through or seen a traumatic event. Counseling and medicine can help.