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There is a famous saying by Kasha Nice, a famous French doctor in the 19th century: "People live with arteries." This means that people's arteries are constantly hardening and blocking, and finally the day when important organs (heart, brain, etc.) are infarcted and necrotic, it is time for people to die. Therefore, protecting blood vessels means saving lives. Blood vessels are young and elastic, and life is full of vitality.