Parkinson's disease does more than cause tremor and trouble walking. It can also affect sleep, smell, digestion and even thinking. That may be because the disease disrupts communication in a brain ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers identified hyperconnected brain wiring as the root cause of movement and cognitive symptoms. An international team ...

A high-speed “zap-and-freeze” method is giving scientists their clearest view yet of how brain cells send messages. By freezing tissue at the instant a signal fires, researchers revealed how synaptic ...

Parkinson's disease does more than cause tremors and trouble walking. It can also affect sleep, smell, digestion and even thinking. NPR's Jon Hamilton reports on new research suggesting that's because ...

Deep brain stimulation, a process in which electrodes stimulate specific brain circuits to reduce motor symptoms, has long helped people with Parkinson’s disease manage their tremors — but a new ...