Winter goes and spring comes, All things recover, People were jubilant, To enjoy the most beautiful scenery in nature, However, the retired teacher Wang next door was sad. It turned out that in recent days, teacher Wang often had calf cramps at night, which were unbearable in pain. He woke up in the middle of the night and could not sleep at night. People said that cramps were calcium deficiency, but teacher Wang drank milk every day, and still had frequent cramps. Teacher Wang ridiculed himself that it was really the most difficult time to rest when it was warm and cold at first sight. To identify a cramp Cramps, medically known as muscle spasms, are involuntary and unsightly excessive Read More …