People are so confused as to what fats to use and which ones will be safe to use when frying. It comes as no surprise to low-carbers that bacon grease gets the green light: For a listing of good fats and great links about fat in general, check out this website. And, this link: Best cooking fats There are a couple of other interesting links as well....one an article written by Gary Taubes.
Inflammation is the enemy.... that's what we should be avoiding and typically on a low-carb diet we're avoiding some of the known inflammatory foods.