If you lined up all the blood vessels in your body, they'd be 60 thousand miles long. And every day, they carry the equivalent of over two thousand gallons of blood to the body's tissues. What effect does this pressure have on the walls...

[Free Registration/Login may be required to access all resource tools.] The health of your whole body depends on the good health of your cardiovascular system. One measure of the health of your cardiovascular system is blood pressure....

For most of history, scientists weren't quite sure why our hearts were beating or even what purpose they served. Eventually, we realized that these thumping organs serve the vital task of pumping clean blood throughout the body. But how?...

Obesity is an escalating global epidemic. It substantially raises the probability of diseases like diabetes, heart disease, stroke, high blood pressure, and cancer. But what is the distinction between being overweight and being obese?...

Work, school, money - these are some of the most common stressors in everyday life. The effects of stress on a person's mental and emotional health may vary, but without the proper tools to cope, stress can have serious consequences. It...