The human body is designed to adjust its core body temperature and keep us warm whenever the ambient temperature drops.
This automatic adjustment, however, can be more arduous for people with heart disease. If a person is unaware of having a heart problem or the problem is untreated, it can become life-threatening.
The heart needs to operate harder to maintain body warmth when exposed to colder weather. The body loses body heat and energy faster than it can produce it. The blood vessels become narrow so that our hearts can focus on sending blood to the brain and other vital organs. The phenomenon is called vasoconstriction….