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 spasm—sometimes for a few seconds, sometimes for ...

A dad who initially dismissed the muscle spasms in his right arm was diagnosed with stage 4 cancer and told he wouldn’t “see Christmas” without treatment. Martin O’Connell, 54, had a spasm on his ...