Is it safe to microwave food?

My Daughter Took It Upon Herself To Microwave Some Syrup For Her Waffles... For 5 Minutes
Microwave cooking is unlikely to negatively affect vitamins and other compounds associated with improved health. For instance, rapid cooking actually helps preserve a group of beneficial chemicals, the polyphenols – that increase the total antioxidant activity of foods – in green vegetables. One study compared microwaving or steaming vegetables, such as cabbage, carrots, cauliflower and spinach, to pressure cooking.