Tinnitus in one ear, also called unilateral tinnitus, is often due to pressure or injury in an ear canal or eardrum. It has many possible causes. Tinnitus is when you hear a ringing in your ears.

Scientists use "wet-bulb temperature" to gauge how extreme heat affects the body. But what is it? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.