X-ray is a fairly common and familiar term in medicine. So what is an X-ray and what is it used for? Below are 22 answers to questions about X-ray radiation, as well as their benefits and risks.

Microwave ovens are an extremely convenient kitchen appliance and are almost indispensable in every family because they have many uses such as heating food, baking, steaming... However, during use, some people have been burned or suffered other injuries due to microwave radiation. So how to use a microwave oven properly?

X-rays are a quick, painless test that takes pictures of structures inside the body — especially bones. X-ray beams pass through the body, and they are absorbed in different amounts depending on the density of the material they pass through. Dense organs, such as bones and metals, appear white on X-rays. Air in the lungs appears black. Fat and muscle appear gray. For some types of X-rays, a contrast material — such as iodine or barium — is introduced into the body to provide more detail on the images.