Health benefits of Onion include substantial relief from number of diseases such as common cold, asthma, bacterial infections, respiratory problems, angina, and cough. Onions are also known to repel blood thirsty insects. In other words, you may say that onions are godsend gifts. Onions are known to possess curative value from ancient time.

Even the World Health Organization confirms that onions are best for people with less appetite and those suffering from atherosclerosis. Health experts acknowledge the fact that onions do provide great respite to patients having chronic asthma, allergic bronchitis, common cough and cold syndrome.

Health benefits of onion are available due to presence of sulphur compounds and quercetin, in traces of essential oils. These are very effective antioxidants that aid in neutralizing the free radicals present in the human body. Onions have been used from many centuries by human beings for medicinal purposes.
Onion also contains mineral components such as calcium, magnesium, sodium, potassium, selenium and phosphorus. The antibacterial properties of onion teemed with antifungal uses have made it a household name. The onion plant can be grown on well-drained and moist soil. You can even grow them in your own backyard or garden and reap its health benefits. They form an important part of culinary preparations. They are also known as ‘companion plants’, for other types of vegetables.