Biocon Executive Chairperson Kiran Mazumdar-Shaw said chronic stress could be a contributing factor to increase in heart attacks among young adults. Responding to her, an X user called her post "veiled dig" at Infosys Founder Narayana Murthy's '70-hour work week' remark. "Hard work never killed anyone. Only unfulfilled aspiration causes stress and can kill," Mazumdar-Shaw replied to the X user.