Hazard There disversas views on the recommended use of the microwave. Most governments, industry and the WHO itself advocating its use as an appliance for health insurance. But there are studies , which have tried to hide, which can demonstrate that the microwave changes the molecular structure of foods with direct and harmful effects on the body as significant loss of nutritional value and the molecular transformation of some substances natural foods toxic. It is also widely accepted that some plastics give off toxic fumes to this radiation. The same manufacturers recommend leaving food at rest a few seconds before removing from the microwave. This is due to injuries and burns from boiling instantly.