From a Traditional Chinese Medicine perspective, mugwort is known as the "herb of pure yang." You don't eat it for its benefits - you burn it for moxibustion.
Mugwort is warm in nature and pungent in flavor. It targets the liver, spleen, and kidney meridians. When burned, the heat from moxa fire warms and unblocks the meridians, dispels cold, and helps restore the body's yang energy. There's a classic saying in TCM: "Cold is treated with heat." In other words, when cold has built up inside you, heat is the way to deal with it.
So why mugwort specifically? Because it catches fire easily but burns slowly. The heat is gentle yet penetrates deep. Its healing energy moves well through the body, and the ash doesn't fall apart easily. Not many other herbs can match all of these qualities at once.
Simply put, mugwort doesn't heal by directly killing anything. Instead, it wakes up your body's own healing power through gentle warmth. Warmth pushes out cold. Good flow stops pain.
