This is very interesting and informative. Roots and tubers are the major food crops particularly in the tropical and subtropical district where they are utilized for human consumption and survival. One of these various roots and tubers that is very popular in human's food list is yam. Yam has a place with the group of Dioscoreaceae and the family of Dioscorea. It is among the most established tuber trim that adds to food security and consumed either as a roasted, cooked or fried vegetable. Studies uncover that yam can be utilized for soothing dysmenorrhoea, which is otherwise called painful menstruation that often involves abdominal cramps. Yam also helps to prevent ovarian and uterine pain. Treatment of Hypercholesterolaemia. Roasted yams are likewise a prominent street food in provincial zones and additionally fast food in urban regions in the African continent Another methods of preparing yam dish by Nigerians is to sun-dry parboiled yams, mill the pieces into a dry brown powder known as elubo or aliboThe elubo is then prepared by mixing and stirring in boiling water to form a thick brownish paste commonly known as amala. Amala is mostly consumed with ewedu soup or with ogbono soup. Thanks for sharing