"naturopathy refers to a doctrine of 'natural medicine' that teaches that the body’s 'vital force' is the most important factor in healing and maintaining health. The approach has been criticized as largely pseudo-scientific, relying on dogma rather than data [bravo...] in other words, naturopathy has a lengthy history of being rejected by the scientific community."
Note: visit the whole article for more. It quotes prime skeptical sources. I don't know much about CFCF, but there's a Wikipedia article that may shed some light.