Microwave ovens use short radio waves to affect the food’s water molecules to generate heat. This changes the chemical structure of the food or liquid. I’m no scientist, so that is my layman’s explanation. Dr. Mercola has a good article addressing concerns; http://articles.mercola.com/sites/articles/archive/2010/05/18/microwave-hazards.aspx . There are as many posts debunking the concerns as there are addressing them, but I’m not willing to take the risk.
Microwave ovens are convenient, energy-efficient and easy to clean, but in my opinion, they have much more downside. Besides the...