"of yore" is a phrase meaning of a past time. Usually, it is stated as days of yore--often when remembering kind of a special time in history. I suppose a good example would be the round table of...
yes i do
makes your poo better and can stop cramps
Yes, as long as you are not allergic to it. There should be no problem.
Yes, you can substitute wheat bran for oat bran in a recipe. Similar quantities will work, but the flavour and texture will be slightly different.