Doctors say muscle twitching, poor sleep, frequent headaches and persistent fatigue may sometimes be subtle clues that your ...

Add Yahoo as a preferred source to see more of our stories on Google. Though many people experience muscle twitching, it's often incorrectly identified as a muscle spasm. While both are involuntary ...

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The human body comes with some strange quirks. Stacker reveals the explanations behind some of the weirdest reactions, like ...

Chorea-acanthocytosis is a rare genetic disorder of the nervous system. It causes involuntary jerks and twitches in the muscles, known as chorea, and star-shaped red blood cells, known as ...

There is something strangely unsettling about an eye that refuses to stay still. It starts as a tiny flutter near the eyelid. Barely noticeable at first. Then it returns during a work call, while ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images It ...

A scientific review on autoimmune neurological diseases reveals what occurs in our body when the immune system, by mistake, produces antibodies that target a protein essential for the normal ...

The human body is full of all kinds of quirks. It makes confusing sounds seemingly out of nowhere. It jerks and jolts right before falling asleep or as the temperature changes. It yawns merely by ...