People are iron, food is steel, and not eating a meal makes you hungryMaintaining appropriate hunger can prolong one's lifeWhen we first heard this statement, did everyone feel surprised and puzzled because our subconscious thoughtOnly have enough to eatTo replenish enough energyEnhance the body's immune systemAnd then resist the invasion of diseases.But now I want to tell everyone that maintaining moderate hunger can prolong one's lifeIt has a certain scientific basis...