What is NOT a sign of "Yin Deficiency"?

Yin Deficiency in Traditional Chinese Medicine (TCM) is characterized by a lack of nourishing, cooling, and moistening qualities in the body's systems. This condition typically manifests through a variety of signs that reflect a deficiency in the body's yin energy.

Constant hunger is not a sign associated with Yin Deficiency. In TCM, constant hunger often correlates with a condition of excess Yang or a condition where the body is in need of more nourishment, potentially linked to a deficiency of other elements, such as Qi or Blood. This state suggests that there is an active upward movement of Yang energy that requires more intake of food, indicating a different pathological pattern than that of Yin Deficiency.

In contrast, signs of Yin Deficiency typically include dry skin, night sweats, and insomnia, which all reflect a lack of moisture and cooling energy. Dry skin indicates insufficient lubrication; night sweats suggest an inability to anchor the Yang energy at night due to the lack of Yin to nourish it, and insomnia can result from a hyperactive mind and heat that arises when Yin is deficient. Thus, constant hunger stands out as not aligning with the characteristics of Yin Deficiency, confirming that it is the correct answer in this context.