Moxibustion is a traditional Chinese medicine therapy which consists of burning dried mugwort on particular points on the body. It plays an important role in the traditional medical systems of China, Japan, Korea, Vietnam, and Mongolia.”
~ Wikipedia
Moxa is an ancient form of heat therapy that originated in China, and it uses the leaves of the medicinal plant Mugwort. These are either rolled into sticks or made into tiny cones and burned on ointment or a ginger slice, or a moxa bowl.

Burning Moxa has a distinct smell, somewhat resembling sage.
Moxa has a stronger effect on biochemical changes in the body than acupuncture, it increases the production of white blood cells. The white blood cell count begins to increase immediately after direct Moxa treatment.
Moxa also increases the production of red blood cells and hemoglobin.
Moxa improves blood and lymph circulations and the capacity to produce antibodies, and the people usually feel warm, comfortable, relaxed and sleepy from the treatment.

Moxa on acu point St-36 / Zu San Li, a point below the knee, increases endurance, digestion, and stimulates the immune system, and research now shows that stimulating St-36 increases ‘Maximum Oxygen Uptake, which prevents and improves recovery time from diseases
Moxa can help treat the following:
Arthritis
Back pain
Ulcerative colitis and Crohn’s disease
Headaches / Migraines
Muscle stiffness
Menstrual cramps and pms
Digestive problems / Ulcers
Cancer
Infertility
….And moxa may help turn breech babies