TNF and Alzheimer disease: The AD group treated by fluoxetine, wheatgrass, or their combination significantly decreased the elevation of IL-6 levels by 32.8, 43.1, and 47.9%, TNF-α levels by 37.4, 37.2, and 46.9%, NF-κB levels by 32.3, 36.2, and 42.6%, and caspase-3 activity by 58.7, 58 and 63.3%, respectively, compared to the AD group.