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These factors can even put an otherwise healthy person at risk.
Cold weather causes the arteries to constrict, which then raises blood pressure and pulse rate. These increases put additional strain on the heart.
hormonal changes that come with the colder weather can make blood more conducive to clotting.
Cortisone levels in the wintertime fluctuate with the colder weather, causing platelets to become sticky,These sticky platelets allow clots to form more easily. As the arteries constrict due to cold air, blockages increase.
“Blockages that were 60 percent may now be 75 or 80 percent