What are appetites?

A feeling of craving something, the term "appetite" is most commonly used in the context of an appetite for food or drink.

"Appetite" is defined as the desire to eat, while "hunger" is defined as the physical need for food. Appetite is often mistaken for hunger.

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Do mean hydroxyapatite? Hydroxyapatite is a major component of teeth and bones.

When referring to appetite suppressants, one is referring to a weight loss pill in which the ingredient blocks the neurotransmitters of the brain to make the you believe that the stomach is full.