New radiation technique aims to calm tremors without surgery

This study tested a new way to treat hand tremors caused by essential tremor or Parkinson's disease using a linear accelerator, a common radiation machine. Instead of one large dose, the radiation was given in three smaller sessions to protect healthy brain tissue. The goal was to see if this approach is safe and can reduce tremors without needing an invasive head frame or traveling to a special Gamma Knife center. The study was stopped early after enrolling 9 participants.