by Sylvia Perez and Christine Tressel

May 24, 2012 (CHICAGO) — Colonoscopies are known for detecting early signs of cancer in the colon. Now Chicago researchers say this common test may help reveal who might be at risk of developing Parkinson’s disease. They have discovered a clue in the gut that could be a game changer for early diagnosis and even treating the disease.

Richard Fiske Bailey says even he had a hard time realizing something was happening with his body. It was the way he was driving his sports car that caught the attention of friends.

“When I went to shift gears I would reach down with my left hand and shift I would shift with my left hand instead of my right hand, I never noticed it. And people would start to say, what is wrong,” Fiske said.

It took a long time but eventually he had a diagnosis: Parkinson’s disease.

“I was formally diagnosed in 2003 by my fifth neurologist,” Fiske said.

A slight tremor in a hand, tense muscles and slow movements are some of the more distinctive signs suggesting Parkinson’s disease. But even these can be confused with other conditions. That means thousands of cases are not diagnosed until a lot of brain cells are gone.

Parkinson’s disease occurs when the nerve cells in the brain that make a chemical called dopamine are slowly destroyed. No one is sure why that happens.

Now researchers are turning to what would seem an unlikely source of a brain disorder: the gut.

“This area of research is really hot right now, and we think it’s really important,” said Dr. Kathleen Shannon, neurologist, Rush University Medical Center

More:
Healthbeat Report: Predicting Parkinson's

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