Since Medco and Express Scripts have come together as one company to manage your prescription drug benefit, the information Medco had on file for you is now available to the merged company.
Frigid winds make you shiver; dry air chaps unprotected lips and hands; and a lack of sunshine can even cause depression. Cold weather also puts immense strain on the heart. Low temperatures cause your blood vessels and arteries to narrow, restricting blood flow and reducing oxygen to the heart. Your heart must pump harder to circulate blood through the constricted blood vessels. As a result, your blood pressure increases. A sudden spike in blood pressure â especially when paired with outdoor exertion, such as shoveling a snowy sidewalk â can cause serious issues such as: 1  Unstable chest pain.
Blood vessels in the skin contract and dilate depending upon the outside temperature so that our bodies remain near 98.6 degrees F (37 degrees Celsius). When it's cold outside, blood vessels contract to keep the blood near the surface of your skin from becoming too cool.When it's hot outside, the same blood vessels expand to encourage heat loss, and you begin to sweat. In addition to these vital jobs, skin provides us with the essential human experience of touch.hen it's cold outside, blood vessels contract to keep the blood near the surface of your skin from becoming too cool. When it's hot outside, the same blood vessels expand to encourage heat loss, and you begin to sweat.