Grand Rapids (WZZM) - Nearly two and a half million adults in this country have epilepsy.

There are many different causes of the neurological condition, but in many cases an exact cause cannot be determined.

In West Michigan, there are two top level epilepsy centers, the Mercy Health Saint Mary'sHauenstein Neuroscience Center and the Spectrum Health Epilepsy Center.

Dr. Brien Smith is the Chief of Neurology at Spectrum Health. He talks about the causes, signs and treatments available for epilepsy.

To watch the segment, click on the video link. To learn more about epilepsy, click here.