Go with your gut. Researchers at University College London have isolated a “microbial signature” in the gut that could help predict Parkinson’s disease in patients who aren’t yet showing symptoms. The potential breakthrough can’t come fast enough, as global cases of this neurodegenerative disease continue to ramp up at record speed. Up to 1.5 million Americans live with Parkinson’s disease, one of the fastest growing neurodegenerative disorders in the world. C Davids/peopleimages.com – stock.adobe.com Up to 1.5 million Americans live with Parkinson’s , a nervous system disorder that leads to a loss of brain cells, leaving patients with movement problems, tremors and stiffness. And there’s no known cure. But these findings could put health researchers on the path to eventually developing one. With funding from the Michael J.…