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 foot that begins to ...

Tingling in the mid back creates an uncomfortable sensation that many people experience but few truly understand. This peculiar feeling, often described as pins and needles or a buzzing sensation, can ...

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 ...