Do You Have a Glutathione Deficiency? Glutathione: An Old and Small Molecule with Great Functions and New Applications in the Brain and in Alzheimer's Disease Mohamed Haddad, Vincent Herv, Mohamed Rafet Ben Khedher, Jean Michel Rabanel, Charles Ramassamy, Glutathione Abbott Family Chiropractic Dr. Joseph C. Maroon is a neurosurgeon and a professor at the University of Pittsburgh Medical Center. His research on Alzheimers and Parkinsons disease focuses on the role of oxidative stress and Glutathione: An Old and Small Molecule with Great Functions and New Applications in the Brain and in Alzheimer's Disease Mohamed Haddad, Vincent Herv, Mohamed Rafet Ben Khedher, Jean Michel Rabanel, Charles Ramassamy, What is glutathione and why must we protect patient access to it?