Visit NBCNews.com for breaking news , world news , and news about the economy The subject of fortifiying our bread supply with Folic Acid comes up every few years in New Zealand. Those in favour of adding it to our bread say that it helps prevent birth defects in the children of pregnant mothers who take it. This may indeed be so. But is it good for everyone? Not according to some stories I have been reading. A story on the MSNBC website says that it may contribute to cancer - Chances are, you started your day with a generous helping of folic acid. For more than a decade, the government has required enriched grains — most notably white flour and white rice — to be fortified with folic acid, the synthetic form of the B vitamin folate. Many food manufacturers take it further, giving breakfast cereals, nutrition bars, and beverages a folic acid boost, too. The extra nutrient isn't meant for you, though — it's added to protect fetuses from developing rare but tragic bi...