"We gone through nine different seizer medications. We've gone a couple different diets, many different supplements ... And this was really our last resort," said father Justin Koozer.
They consulted doctors and moved from Tennessee to Colorado so they could give Piper medical marijuana for treatment and the results were a huge improvement.
"At her worst point, which was February of 2012, she was having around 400 spasms per day, and we've had three days this week she's had two to three signal spasms," said Koozer.
That is why Nashville democrat representative Sherry Jones is bringing up House Bill 1385 allowing medical marijuana in Tennessee. She brings it up every year, but this year she is getting more support than ever.
"Probably 70 percent of people in Tennessee support medical marijuana," she said. "The nation is beginning to recognize its benefits ... Medical marijuana positively effects nausea from chemo ... For soldiers coming back from war who are diagnosed with PTSD."
But a realistic chance of it passing this year is slim.
"It's a very conservative bill. There is oversights and guidelines for everything," said Jones.
The bill is expected to be brought up in February in subcommittee.