ADA and neurodegenerative disease: Hence, the anti-inflammatory effect of essential oil from ginger and turmeric rhizomes in cadmium induced neurotoxicity in rats was evaluated by assessing their effect on some cytokines and hippocampus and prefrontal cortex acetylcholinesterase (AChE) and adenosine deaminase (ADA) activities (important enzymes relevant in the management/prevention of neurodegenerative diseases).