Flavonoids are responsible for pigments in many fruits and vegetables. Studies have shown that they may help reduce the risk of Parkinson's disease, cardiovascular disease and stroke. A particularly valuable flavonoid in onions is quercetin, which acts as an antioxidant that may be linked to preventing cancer. âIt also might have heart health benefits, though more studies need to be done,â said Angela Lemond, a Plano, Texas-based registered dietitian nutritionist and spokesperson for the Academy of Nutrition and Dietetics.
Magnetic resonance imaging (MRI) is very safe and most people can have the procedure, including pregnant women and babies. However, there are some instances where an MRI scan may not be recommended, because the strong magnets used during the scan can affect any metal implants or fragments in your body. Before having an MRI scan, you should tell medical staff if: you think you have any metal in your body. you're pregnant or breastfeeding.
Magnetic resonance imaging (MRI) is a technique that uses a magnetic field and radio waves to create detailed images of the organs and tissues within your body. Most MRI machines are large, tube-shaped magnets. When you lie inside an MRI machine, the magnetic field temporarily realigns hydrogen atoms in your body. Radio waves cause these aligned atoms to produce very faint signals, which are used to create cross-sectional MRI images â like slices in a loaf of bread.