Microwaves, when used properly and in accordance with manufacturer instructions, are considered safe and do not pose significant health risks. However, it is important to follow basic safety precautions to minimize any potential risks.
Microwave ovens are designed with safety features to prevent microwaves from leaking during operation. When properly maintained and undamaged, microwave ovens should contain and control the microwaves within the cooking chamber. However, if a microwave oven is damaged, has a faulty seal, or is not used as intended, there is a possibility of microwave leakage. In such cases, there could be a risk of exposure to high levels of microwaves, which could be harmful.
The United States Food and Drug Administration (FDA) sets standards and regulations to ensure the safety of microwave ovens. These standards limit the amount of microwave radiation that can leak from an oven throughout its lifetime. Microwave ovens must meet these standards to be sold in the market. Additionally, manufacturers provide instructions for safe use and maintenance of microwave ovens, which should be followed to minimize any risks.
Regarding standing too close to a microwave oven while it's operating, there is generally no significant risk as long as the oven is functioning properly and undamaged. The microwave radiation is contained within the cooking chamber, and the oven's design and safety features are intended to prevent leakage. However, it is advisable to maintain a reasonable distance from the oven while it is operating to minimize unnecessary exposure.
In summary, when used properly and maintained in good condition, microwave ovens are considered safe. Follow the manufacturer's instructions for safe use, including using microwave-safe containers, avoiding using damaged ovens, and maintaining appropriate distances. If you have concerns about your specific microwave oven, it is advisable to consult the manufacturer or a qualified technician for further guidance.