Word Origin & History. regimen mid-15c., act of governing, from O.Fr. regimen (14c.), from L. regimen rule, guidance, government, from regere to rule (see regal). Medical sense of course of diet, exercise, etc. for sake of health first recorded late 15c.
Soda bread. Soda bread (Irish: arÃ¡n sÃ³ide, Scots: fardel, Serbian: Äesnica / ÑÐµÑÐ½Ð¸ÑÐ°) is a variety of quick bread traditionally made in a variety of cuisines in which sodium bicarbonate (otherwise known as baking soda) is used as a leavening agent instead of the traditional yeast.
Baking soda is pure sodium bicarbonate. When baking soda is combined with moisture and an acidic ingredient (e.g., yogurt, chocolate, buttermilk, honey), the resulting chemical reaction produces bubbles of carbon dioxide that expand under oven temperatures, causing baked goods to expand or rise.