Neurodegenerative diseases slowly damage the brain and nervous system, affecting millions of people worldwide. Two of the most common conditions are Alzheimer’s disease (AD) and Parkinson’s disease ...

Some people live with essential tremor for years and organically find ways to adapt. Others may begin avoiding activities.

Add Yahoo as a preferred source to see more of our stories on Google. A computer illustration of human pegivirus, an RNA (ribonucleic acid) virus scientists believe may be linked to Parkinson's ...

Imagine you’re watching TV, resting your hand on the armrest, and suddenly it starts to tremble uncontrollably. Such movement disorders are considered typical signs of Parkinson’s, but they usually ...

For decades, scientists have known that mitochondria, which produce energy inside our cells, malfunction in Parkinson's disease. But a critical question remained: do the failing mitochondria cause ...

Parkinson’s disease is a complex neurodegenerative disorder. The causes are still unclear, but about 10% to 15% of cases are thought to be due to genetic changes, while exposure to certain things in ...

Parkinson’s disease — which causes poor balance and stiff movement — affects an estimated 1 million Americans. That number is expected to rise by 20% in the next few years. While there’s no sure-fire ...