One, because the freshly baked bread is too hot to chew, and the high temperature of the food into the stomach will make the stomach wall blood vessel dilation, the digestive glands secretion activity enhancement, prolong the digestion and absorption process, thus affecting the health of the body.

Two, just out of the bread smells good, that is the flavor of the cream, the flavor of the bread itself is completely cooled to taste out. Eating it right away is harmful to the body and can easily cause stomach problems.

Three, the bread at least two hours to eat. Because Bread in the just out of the oven, because it is still in the high temperature state, this time the bread yeast and has not completely disappeared, if you eat bread here, will be harmful to the carcinogens into the food, remember! When the center of the bread is cooled down to below 40 degrees Celsius after the bread is freshly baked, the yeast will stop fermenting.

Four, the two homologous genes RAS1 and RAS2 found in yeast are highly homologous to the mammalian H-ras proto-oncogene.