Previous studies have shown that as much as 98% of the cancer-fighting nutrients in broccoli, for example, are destroyed by microwaving.
To understand why, you have to understand the nature of vitamins and phytonutrients (plant-based nutrients). These are very delicate molecules which are fragile. They are easily destroyed by heat, which is why raw plant foods contain more plant nutrients than cooked foods. Carotenoids, antioxidants and other molecules like DIM (in broccoli) or anthocyanins (in purple corn) are all easily destroyed by microwave energy.
Microwaves “nuke” your food at a cellular level
Microwaving is the worst way to cook foods because microwaves excite the water molecules inside whatever you’re cooking, causing heat to be formed from the inside out. This results in a cell-by-cell “nuking” of the food (such as broccoli, carrots, etc.), causing the near-total molecular decomposition of the vitamins and phytonutrients that promote disease.