Blastocystis hominis Infection Inducing Gut Microbiome Dysbiosis and Aggravating Parkinson’s Disease Symptoms: A Case ReportEmanuel-Youssef Dib1, Karam Karam2, Lama Al Akel3, Loulewa Al Sayed4, Tala Charafeddine5, Laila Al Akel6, Serena Khoury7, Walid Abdel Khalek8*[1] Department of Internal Medicine, University of Balamand, Beirut, Lebanon. Email: [email protected][2] Department of Gastroenterology, University of Balamand, Beirut, Lebanon. Email: [email protected][3] Department of Internal Medicine, University of Balamand, Beirut, Lebanon. Email: [email protected][4] Department of Internal Medicine, University of Balamand, Beirut, Lebanon. Email: [email protected][5] Department of Internal Medicine, University of Balamand, Beirut, Lebanon. Email: [email protected][6] Department of Internal Medicine, University of Balamand, Beirut, Lebanon. Email: [email protected][7] Department of Internal Medicine, University of Balamand, Beirut, Lebanon. Email: [email protected][8] Associate professor, University of Balamand, Department of Gastroenterology, Dekweneh, Lebanon. Email: [email protected]