Social media trends have long warned against drinking coffee on an empty stomach, with viral posts claiming it spikes the stress hormone cortisol and damages the gut lining. However, gastroenterologists are stepping in to separate wellness myths from medical facts. Experts note that clinical studies have not proven that black coffee causes harmful spikes in cortisol or metabolic issues. Furthermore, the Cleveland Clinic explains that cortisol naturally peaks in the morning on its own, meaning any perceived spike might simply be a normal biological process rather than a side effect of caffeine. While medical professionals point out that caffeine can relax the muscular valve between the esophagus and the stomach—potentially leading to acid reflux or heartburn—and stimulate stomach acid production, individual tolerance varies significantly. Gastroenterologists emphasize that most healthy adults can enjoy their morning cup without negative gastrointestinal symptoms, provided they avoid overloading it with excessive cream, sugar, and other heavy additives. Fuente: Fox News
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