Learn about two major heart problems that hypertension can cause. Rishi is a pediatric infectious disease physician and works at Khan Academy. [7:19]

Learn the most common symptoms (or lack thereof) and the two major categories of hypertension. Rishi is a pediatric infectious disease physician and works at Khan Academy.

Learn the categories of hypertension for systolic and diastolic blood pressures in this video lecture. [7:08]

Learn about how hypertension can cause damage to the large/middle sized arteries as well as the small arteries and arterioles. Rishi is a pediatric infectious disease physician and works at Khan Academy. [7:09]

Remember that a good diet, exercise, losing weight, and quitting smoking can lower blood pressure! This video lecture discusses the changes one can make to manage hypertension. [6:35]

See how hyaline arteriolosclerosis (Protein in the arterial wall) causes hardening of the blood vessels. [11:13]

Learn about four lifestyle changes that can be made to lower blood pressure in this video. Understand how a good diet, exercise, losing weight and quitting smoking can all help patients manage hypertension. [6:35]

A video [7:08] explaining what hypertension is, how it is measured, and how to know if systolic and diastolic blood pressure is high or low.

A video [7:08] explaining what hypertension is, how it is measured, and how to know if systolic and diastolic blood pressure is high or low.

What do your blood pressure numbers mean? In this video, learn the difference between systolic and diastolic pressure and when these numbers are in the danger zone. [6:13]

This video lesson from Khan Academy provides information about strokes, one type of circulatory system disease. Students will learn basic information about hemorrhagic strokes.

An explanation of the stages of hypertension as related to the systolic pressure and diastolic pressure.

This video lesson from Khan Academy provides information about an abdominal aortic aneurysm, one type of circulatory system disease. Students will learn basic information about ways that the body can develop abdominal aortic aneurysms.

This video lesson from Khan Academy provides information about hypertension, one type of circulatory system disease. Students will learn about four lifestyle changes to help manage hypertension.

This video lesson from Khan Academy provides information about hypertension, a circulatory system disease. Students will learn about the effects on the heart.

This video lesson from Khan Academy provides information about hypertension, a type of circulatory system disease. Students will learn about hypertension's effects on the blood vessels.

This resource from Khan Academy provides information about hypertension, a circulatory system disease. Students will learn the symptoms and categories of hypertension.

This video lesson from Khan Academy provides information about hypertension, a type of circulatory system disease. Students will learn the symptoms and categories of hypertension.

An aortic dissection is a life-threatening condition where there is a separation of the layers in the wall of the aorta. This video describes the aorta and what causes a dissection. [13:38]

This lesson will identify what blood pressure is and factors that affect blood pressure. It is 1 of 5 in the series titled "Blood Pressure."