Adrenaline increases the "alertness" of the nervous system, meaning it's ready to trigger muscle contraction. It also increases the amount of blood flow and changes the tension of the muscles, which, ...

Eye twitching is usually harmless and triggered by stress, fatigue, screen strain, caffeine, or dry eyes. Here are some ...

It has happened to many of us. While in the middle of work, a study session or just spending time with friends, your eyelid flutters for no apparent reason. At first, it may be nothing more than a ...

My right eyelid started twitching about six months ago. Although it’s not constant, it is a daily, unwelcome annoyance. It distracts me when I’m trying to sleep; it draws me out of the moment and into ...

Add Yahoo as a preferred source to see more of our stories on Google. Though eyelid twitching (technically called myokymia) can feel disconcerting, the good news is that it’s typically fleeting and ...