claim: Certain chemicals induce neuromodulation.
evidence: Aeromonas eucrenophila is a Gram-negative bacterium of the genus Aeromonas isolated from fresh water and infected fish .. Aeromonas. Aeromonas. Gram-negative. Gram-negative. bacterium. bacterium. A. eucrenophila is a pathogen of fish , and it causes diarrhoea in humans .. diarrhoea. diarrhoea