Spiritual formation in a Christian tradition answers a specific human question: 'What kind of person am I going to be?' It is the process of establishing the character of Christ in the person. That's all it is.
Within the Christian tradition, fundamentalism arose in the 19th century as an effort to push back against modern' readings of the Bible that suggested everything in the text wasn't true in some literal sense.
When you look at food as an ethical issue in the Christian tradition, you don't find very much about it. You don't find, as you do in the Jewish or Islamic or Hindu traditions, a lot of restrictions saying you can eat this but you can't eat that.
It is ironic that so many politicians claim to defend traditional Christian values of 'faith and family.' In fact, a radical antifamily ideology permeates Christ's teaching, and the early Christian tradition often set faith and family against each other.
Redemption basically is about holistic health, if you want to translate it into modern parlance. What I suggest - based on the Christian tradition but not often preached - is that you can't enter into the fullness of the Pascal mystery of the redemption unless there is a radical transformation of motivation within you.