Which of the following conditions is believed to be caused by heat in traditional Chinese medicine?

In traditional Chinese medicine (TCM), the concept of heat is associated with various health conditions, indicating a disruption in the body's balance of yin and yang. Heat, in TCM, can manifest as excess energy that may lead to various symptoms and ailments.

Heart problems, in this context, often relate to an excess of heat affecting the heart organ system. This could manifest as conditions such as palpitations, anxiety, and insomnia, which are believed to be exacerbated by an abundance of heat or fire within the heart's system. TCM practitioners might focus on cooling down this excess heat through herbal remedies, dietary changes, and other therapies to restore balance.

Other conditions listed, while they may be serious or chronic issues, do not primarily reflect the heat concept in TCM to the same extent as heart problems do. kidney deficiency is more often associated with a lack of energy or coldness, lung issues may relate to dryness or wind conditions, and muscle strain typically reflects injury or overuse rather than heat. Thus, the link between heart problems and heat within the framework of TCM aligns consistently with the traditional understanding of how bodily functions are interrelated.