Actor Varun Dhawan's statement about black coffee causing gut issues sparked a debate with nutritionist Prashant Desai. Desai refuted Dhawan's claim, stating individual gut reactions vary. Dhawan humbly accepted the correction, acknowledging the lack of a one-size-fits-all approach to diet. The exchange highlights the importance of personalized dietary advice. Dhawan's upcoming film, 'Baby John', is set for release on December 25th.