Sometimes woo sites do encourage you to do stuff that is good for you, but they encourage you in the wrong way. An example of this would be this pic from Raw for Beauty:
So, does this mean you can eat whatever you want? No.
Eating fatty and greasy foods is not good for you, nor is not exercising, which is what the picture is trying to convey, but it's overshadowed by the woo above, but the what the second sentence says is correct because if all you eat is junk food then all you'll have is a junk body.