Multiple chemical sensitivity (MCS) is a disorder characterized by nonspecific and recurrent symptoms from various organ systems associated with exposure to low levels of chemicals. Patients with MCS process odors differently than controls do. Previously. we suggested that this odor processing was associated with increased regional cerebral blood flow (rCBF) in the prefrontal area dur... https://parisnaturalfoodes.shop/product-category/ultra-lift-dmae-serum/