It also reduces lung inflammation and symptoms associated with asthma. Protects the Heart Consumption of fresh onion prevents the formation of blood clots and blockage in the arteries. It further helps in the management of diabetes mellitus, high blood pressure and high cholesterol and triglyceride levels that are risk factors for heart disease. Thus, daily consumption of onion can confer protection against gastric ulcers. Boosts Immunity Onion plays a contributory role in enhancing overall immune function. Let's throw some light at the advantages of eating onions. Lowers High Blood Glucose Levels Onions contain active compounds that help in lowering high blood glucose levels. These health benefits of onions are attributed to the presence of two active compounds - cysteine and allyl propyl disulfide (APDS). Health Benefits of Onions Onions have a wide range of beneficial effects on the body, especially when eaten raw. APDS, a healthy compound present in onion binds the toxic substa...