You're relaxing on the sofa when suddenly your eyelid starts twitching. Or perhaps it's a muscle in your arm, your leg, or ...

Eye twitching may be a physical reaction, but many traditions view it as an intuitive or energetic signal. It reflects inner ...

Tic disorders are conditions featuring sudden, non-rhythmic movements or vocalizations. A formal tic disorder diagnosis is determined by tic frequency, duration, and type. Tics are non-rhythmic ...

Left eye twitching—a seemingly minor physical occurrence—has captivated human curiosity across cultures for centuries. While modern science attributes it to factors like fatigue or stress, various ...

Infectious agents can cause muscle twitching and spasms, too. The most commonly known is probably tetanus, which causes a phenomenon called lockjaw, where the neck and jaw muscles contract to the ...