In TCM, what type of energy is associated with the body's ability to resist pathogenic factors?

In Traditional Chinese Medicine (TCM), the type of energy associated with the body's ability to resist pathogenic factors is Qi. Qi is often described as vital energy or life force that flows through the body, sustaining all physiological functions and keeping the organs in balance. A strong and healthy Qi is essential for maintaining the body's defensive capabilities and preventing diseases.

When Qi is abundant and well-circulated, it provides strength to the immune system, allowing the body to ward off external pathogens like viruses and bacteria. Qi plays a crucial role in the body's defensive mechanism, often referred to as "Wei Qi" or defensive Qi, which specifically functions to protect against invasions.

The other energy types, while also important in TCM, focus on different aspects. Jing relates to essence and hereditary factors, serving more foundational roles in growth and development. Yin refers to the cooling, moistening, and nurturing qualities of the body, while Yang represents the warming and activating forces. Though both Yin and Yang are vital for maintaining health and balance, they are not primarily linked to the body's resistance to pathogens in the same way that Qi is.