The euphoric rush is a culmination of nerve stimulation, muscle contractions and brain chemistry. ‘Rhythmic contractions of ...

Many of us have felt a muscle in some part of our body suddenly and involuntarily tighten, causing a twitch or even severe cramp. Muscle spasms are common and typically don't signal a severe health ...

Stressful situations or fatigue may also worsen the spasms. Estimates suggest that one in ten thousand people have HFS and it usually presents in the fifth or sixth decade. It may be somewhat more ...