hey doctor,
i have a concern my father is 72 years old now and for years his hands have been shaking. I am 20 years old and for as long as i remember when he picked up a pen too write or sign it will shake and the writing will be twisted. same thing when he his trying to put food on his plate, its shakes. When he holds papers it shakes. But my dad does not drink caffeine at all, just once every month or so he will have a coke. please help my dad.