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 ...
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, ...
DEAR DR. ROACH: In 2021, I drove to the hospital with chest and back pain. I was told that I needed an emergency surgery to remove my gallbladder. During the procedure, I suffered a heart rhythm ...
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