The Thermic Effect of food is defined as: the increment in energy expenditure above resting metabolic rate due to the cost of processing food for storage and use.

食物热效应的定义是：机体摄入食物过程中，机体能量代谢比基础代谢增高的部分。

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We also know that smoking is a thermogenic agent, meaning that nicotine raises the rate of energy expenditure, metabolic rate.

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