The classical Chinese explanation is that channels of energy run in regular patterns through the body and over its surface.

The classical Chinese explanation is that channels of energy run in regular patterns through the body and over its surface. These energy channels, called meridians, are like rivers flowing through the body to irrigate and nourish the tissues. An obstruction in the movement of these energy rivers is like a dam that backs up in others

-- The American Academy of Medical Acupuncture

What type of fallacy is this and why?