Onion as vegetables has so many uses that are of great importance to human health.
The juice of onion is use to cure blurred vision and ear pain. When it is eaten raw, it helps to keep the heart healthy. It reduces inflammation of joints and pains .It has the ability to liquefy mucus and reduce its formation, thereby making respiration to function normally. It also prevents cold and flu. It helps to increase sperm count and sperm mortality daily .It protect the body from Atherosclerosis Ostereoporosis. It is used for the treatment of anemia, because it contains high amount of iron. It helps control sugar level in the body which treats diabetes. It also increases insulin. Tooth disorder could be relieved by intake of onions A substance present in onions called chondrocytes help in proper bone formation and corrective tissue. Onion is very rich in sulfur which promotes hair growth. Studies had shown that applying onion juice on scalp twice a week for two months will stimulate hair growth. A substance called Quercetin present in onion has an anti-oxidants and anti-allergy properties. Onions contain Chromium, which assist in regulating blood pressure. When eaten raw, it lowers blood pressure. Eating raw onions regularly can significantly lower cholesterol and help prevent heart attacks or heart problem.