LAST is a life-threatening reaction that occurs when local anesthetic medications enter the bloodstream in toxic amounts, primarily affecting the central nervous and cardiovascular systems.
: Research published in the International Journal of Corpus Linguistics examines the use of "the" before "last" or "next" in American English.
: Articles like 2020 Is Our Last, Best Chance to Save the Planet from TIME discuss the critical window for environmental action.
: Resources like English Stack Exchange explain why "the" is required for superlative meanings (e.g., "the last episode") but omitted in certain adverbial phrases. Culture & Philosophy
: Detailed overviews are available from the Cleveland Clinic and StatPearls (NIH) . Science & Climate

