Onions are a great source of in vitamin C, sulphuric compounds, flavonoids, and other phytochemicals. Phytochemicals, also called phytonutrients, are compounds found in fruits and vegetables that react with the body and spur beneficial response. They are believed to help reduce the risk of Parkinson's disease, cardiovascular disease and stroke. Polyphenols are one of the largest categories of phytonutrients in food and are beneficial in the prevention of diabetes, cancer and neurodegenerative and cardiovascular diseases.
Can eating onions help prevent osteoporosis?