The associated symptoms along with internal vibrations or brain shakes may give a clue of the cause. Parkinson’s disease is a neurological disease that affects people over 60 years old due to the loss of brain cells producing dopamine. Symptoms other than internal vibrations include: Slow, shuffling movements; Stiffness of the trunk, arms, legs
R1LNM1t. 70 486 830 226 490 376 414 67