It is recommended not to eat yams with mold growing on both ends after peeling them off. The mold on both ends of the yam indicates that the yam has been infected with mold. Mold is a fungus, mycelium is more developed. Although the naked eye visible place just yam ends blackened mold. But since mold has already started to appear, it means that mold exists in the whole section of the yam. Even if you cut off the ends, you can’t avoid ingesting the mold. So you should discard the whole thing. In addition, mold may produce toxins in the food, which is more harmful to human body, so the purchased yam can be stored in the refrigerator at low temperature to reduce the occurrence of mold. It should be noted that if you have consumed two moldy yams, you should actively observe their own reaction, such as abdominal pain and diarrhea and other toxic phenomena, should be immediately consulted to avoid delay.