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For some people, it's hard to forestall flare-ups of rosacea, the red and sometimes itchy skin that appears on the cheeks, nose, and other parts of the face. Caffeine, heat and sun exposure, and a protracted list of foods (the whole lot from spicy foods to yogurt) are thought to trigger or worsen rosacea. But a study published online on October 17, 2018, by JAMA Dermatology Not only does it poke holes in the concept caffeine is responsible, it also suggests that a significant source of caffeine — coffee — may even reduce the danger of rosacea. Researchers analyzed responses to health and food regimen surveys collected every 4 years from 1991 to 2005 from nearly 83,000 women (most of whom were white). It found that girls who drank 4 or more cups of caffeinated coffee per day were 23 percent less more likely to report it. Diagnosed with rosacea in the course of the study period, in comparison with women who drank lower than one cup a month. Increasing caffeine intake from tea, soda, and chocolate had no effect on the likelihood of developing rosacea. The study was only observational and can't prove cause and effect. But coffee has also been linked to a variety of health advantages, including lower blood pressure, lower rates of weight reduction with age, and reduced risks of developing type 2 diabetes or dying from heart disease or neurological diseases. Is.