A study from the Boston Consulting Group and the University of California, Riverside reveals that 14% of surveyed workers report experiencing 'AI brain fry,' a state of cognitive exhaustion linked to intensive AI tool usage. Those affected are 39% likelier to make major errors and 34% more likely to consider quitting. Among sectors, 26% of marketing professionals report this fatigue, emphasizing the need for thoughtful AI integration to mitigate burnout and improve decision-making.