Excessive blinking, facial twitching, leg-shaking, involuntary swearing: What causes such behaviours? - Channel NewsAsia

While habitual leg shaking could be a way to work off nervous energy, tics can instead be triggered by anxiety. CNA Lifestyle finds out more from health experts.

Added Dr Neo: Motor tics can also involve various body parts, including the neck, limb and trunk muscles. Furthermore, tics can be classified as simple (excessive blinking, shrugging or grunting) o… [+1861 chars]

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