Onion benefits: Onion is hot and dry in terms of ancient medicine and has many properties that can not be included in one article. Scientists believe that consuming raw onions is beneficial for relieving the discomfort caused by drinking different water while traveling and preventing the effects of contaminated air. Raw onions are useful for skin, hair, head and kidneys and bladder. Cooked onion is a laxative (softener) and is suitable for those with a poor intestine. Of course, frying onion with oil makes it heavy, unless it is too fried and little oil is consumed. The onion, like garlic, has an antiseptic effect and is able to prevent platelet aggregation and interfere with fibrin degradation (blood clots). Eating onions with fatty foods, especially at parties or on trips, helps to digest fats.
10 Reasons you should use onion (Onion benefits)
1 – Onions due to the presence of phosphorus, make it easy to do your intellectual works. 
2 – It is useful for people who have sleeplessness, and they will come to sleep sooner if they consume onion. 
3. Onions are useful for low-growth children and weak old men. 
4. To prevent nosebleeds, you can pour a few drops of vinegar on grated onions and pour water in the nose to prevent bleeding. 
5 – Onion strengthens gums and illuminates face color. 
6 – The onions are rich in vitamins A, B and C, and they contain iron, lime, phosphorus, potassium, sodium, sulfur, iodine, selenium, silica and sugar, which is directly absorbed by the body. 
7. Onion is an antiseptic due to having sulfur. When sulfur enters the bloodstream and the lungs, it attacks infections of the respiratory tract, such as asthma, bronchitis and grip, and so on. 
8. An Indian doctor named Mewon, following his two-year research at the School of Medicine, “Newcastle” University of England, announced that: raw, cooked or fried onions prevent the formation of blood clots in the veins and prevent the occurrence of Heart attack and apoplexy. 
9 - Onions can lower cholesterol and lipids and prevent blood coagulation in the veins.
10 - Onions can reduce the risk of gastric cancer.
