There are tens of millions of operations performed in the U.S. in any given year, but the most important ones are those performed on our loved ones. Over 100,000 of these surgeries result in infections due to improper care of the wound after the surgery was completed.

There are many reasons that you might need physical therapy to help you regain mobility, improve balance and smooth your gait while walking. Your doctor may recommend this type of exercise if you've recently been injured or had an illness that affected your ability to walk or move around with or without an adaptive device.

Congestive heart failure is one of the leading causes of mortality for elderly patients in the U.S., with an absolute mortality rate of over 50% in the 5 years after diagnosis. This complex syndrome results from cardiac disorders that are either structural or functional and reduces the ability of the heart to eject blood or fill completely with blood.

Certain chronic conditions can cause high blood pressure, like kidney disease and diabetes. What you put into your body in terms of nutrition and chemicals (from smoking) can also contribute to a high number.