Many retirees would love to retire somewhere warmer with a beautiful coast and a reasonable cost of living. Puerto Vallarta, Mexico, is one of the options many retirees may want to consider. There are several challenges to consider such as the difficulties with Medicare in foreign countries and the different income tax situations.
The air pressure inside a human body is roughly equivalent to the pressure of the atmosphere. Normal air pressure is about 13.7 pounds per square inch at sea level.
The difference between these two extremes is called the pulse pressure and represents the force that your heart generates each time it contracts. In a person with a systolic blood pressure of 120 mmHg and a diastolic pressure of 80 mmHg, the pulse pressure would be 40 mmHg.