Will 2 cups of antifreeze kill a human?

Yes, ingesting 2 cups of antifreeze, which typically contains ethylene glycol, can be lethal to a human. Ethylene glycol is highly toxic and can cause severe metabolic acidosis, kidney failure, and central nervous system damage. The severity of the outcome depends on various factors, including the individual's health and how quickly they receive medical treatment. Immediate medical attention is crucial if antifreeze ingestion is suspected.