Deadly poisons, in sublethal doses act very similar like opiates or any other abused drugs. See. Cyanides - feeling of metallic taste in the mouth.
Chenye sumu, sumu katika vipimo sublethal kutenda sawa sana kama opiates au nyingine yoyote ya madawa ya kulevya waliodhalilishwa. Angalia. Sianidi - hisia ya ladha metali mdomoni.