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 ...

If you’ve ever experienced an eye twitch, you know just how irritating it can be. While usually not dangerous, it can seemingly appear out of nowhere, sometimes last for weeks, and then disappear just ...

Picture the scene: you're settling down to watch another episode of Married At First Sight Australia when all of a sudden your eye starts to twitch uncontrollably. You blink and give your eye a good ...

Many of us have felt a muscle in some part of our body suddenly and involuntarily tighten, causing a twitch or even severe cramp. Muscle spasms are common and typically don't signal a severe health ...

Add Yahoo as a preferred source to see more of our stories on Google. You’re relaxing on the sofa when suddenly your eyelid starts twitching. Or perhaps it’s a muscle in your arm, your leg, or your ...