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.
A person's blood pressure is the force pressing against the walls of the blood vessels or arteries. There are two numbers when it comes to the blood pressure measurement. The top number is the systolic pressure, which is measured when the heart beats or contracts, and the bottom one is the diastolic pressure, which is measured when the heart relaxes or between beats.