Updated: September 25, 2012
Complications
Hypertensive Crisis: What Are the Symptoms? Mayo Clinic
Children and Hypertension
High Blood Pressure in Kids Nemours Foundation
Heart Disease
Heart Disease Risk Factors Texas Heart Institute (also in Spanish)
Kidney Disease and Hypertension
High Blood Pressure and Kidney Disease National Institute of Diabetes and Digestive and Kidney Diseases (also in Spanish) 
Seniors and Hypertension
High Blood Pressure National Institute on Aging (also in Spanish)
Stroke
Stroke Risk Factors and Symptoms National Institute of Neurological Disorders and Stroke (also in Spanish)
Teens and Hypertension
Hypertension (High Blood Pressure) Nemours Foundation 
Women and Hypertension
High Blood Pressure and Women
American Heart Association
