Onions are odorous, but who wouldn't welcome a little social shunning for a chance to bite into a pungent white slice, so thick and raw, atop the fixings of some mouthwatering sandwich? Onions just taste too good to resist! But more than that onions can help lower. Modern medicine has proved that onions can help lower cholesterol and reduce blood clood. It's also been said that chewing a raw onion for five minutes renders the lining of the mouth free of all germs. Since such a practice is also likely to render a room free of all friends, it's good to know that the healthful benefits of onions go beyond eating them raw. Onions in any state are nutritious. They are a 10 good source of potassium and also contain calcium, phosphorus iron, vitamins A and C, thiamine, riboflavin and niacin.