there are many ingredients in baking soda that r harmful aluminum is one example. in addition, when one uses baking soda it changes the ph of your stomach and neutralizes digestive juices... in other words it affects your digestion process adversely. whenever one gives the body a substance that it makes on its own(the pancreas produces baking soda to neutralize acidic food) it then gives a signal to the organ that makes the chemicals the signal to atrophy and die. consuming baking soda will over time tell the pancreas to stop making baking soda and atrophy. I dont think destroying the pancreas is a good idea... hopes this help you by the way yeast is not a problem yeast will die after 24 hours or so so dont eat fresh bread let it sit for a day and some and the yeast will be dead.