Deep brain stimulation is used in parkinson 's disease to trigger brain cell activity and prevent the abnormal signalling that causes debilitating tremors , but placing the electrodes required is highly invasive .
Deep brain stimulation has a proven track record in reducing the tremors and stiffness of parkinson 's disease ; and in studies , doctors have performed the operation on people with depression and tourette 's syndrome , among other things .
Lithium has traditionally been used to treat bipolar disease , but the medication comes with side effects , such as hand tremors and an overall dazed feeling , that prompt many people to stop taking it .
Coffee protects your brain against aging in yet another way . People who drink five or more cups a day are 85 percent less likely to develop parkinson 's disease , which , in addition to its trademark tremors , can also cause dementia .
Now , vibrations can be reduced using " active control " , which involves placing sensors around the helicopter to detect the onset of vibration and then using force generators on various parts of the frame to vibrate in such a way that they cancel out the original tremors .