all fats are bad for you. in fact, some are beneficial—specifically the monounsaturated type, found in nuts, avocado, olive oil, and nut butters , for example....
flour (such as all-purpose flour) can last for to years if stored in an airtight container in a reasonably cool (up to f), dry place. if you simply store the open bag in the cupboard with the top folded over, its shelf-life is more like to months. whole grain flours go rancid much more rapidly than refined...