Bacteria are like tiny bugs that can crawl into the tiny tubes in your gums called capillaries. those tubes lead to bigger tubes called arteries and veins, or the “highway” that transports the bugs. Your blood carries them from the capillaries to the bigger tubes all the way to the heart. Bacteria in the heart introduces a host of problems, including heart disease. So basically, the gums provided a “door” into the otherwise clean blood stream.
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