因老年人常吃山楂制品能增强食欲，改善睡眠，保持骨和血中钙的恒定，预防动脉粥样硬化，使人延年益寿，故山楂被人们视为长寿食品。
Eat hawthorn products for the elderly can increase appetite, improve sleep, maintain bone and blood calcium constant, prevent atherosclerosis, people live longer, it haw be seen as longevity food.
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