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Your blood type and its connection to your heart health may matter more than you give it credit for. Like most things in life, context and the big picture are important factors to consider.

Your heart is an exquisitely engineered pump made almost entirely of muscle. And you can see the extraordinary engineering in action if we slow your heart to a single beat. Inside the cavernous ...

Your heart first pumps blood to your lungs. Here, the blood picks up oxygen from the air that you have breathed in. The blood (carrying oxygen) then travels back to your heart. The heart gives the ...