ArticleFrontiers in nutrition2026
Tea consumption is associated with a reduced risk of high-altitude pulmonary hypertension among high-altitude permanent inhabitants in the Tibetan population: a case-control study.
Article in Frontiers in nutrition, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: This study investigated the potential association between tea consumption and high-altitude pulmonary hypertension (HAPH) risk in a long-term, high-altitude Tibetan population, which remained unexplored. Methods: In a hospital-based case-control study, 113 patients with HAPH and 113 controls were included. Data were collected from medical records and a tea consumption questionnaire. Group comparisons were performed using Results: Patients with HAPH exhibited significant right-heart structural alterations and a distinct metabolic profile characterized by lower lipid and glucose levels. A significant inverse association was observed between tea consumption and HAPH risk. Compared to the control group, patients with HAPH exhibited a significantly lower proportion of tea consumption (45.1% vs. 59.3%, Conclusion: Regular Tibetan tea consumption significantly reduces HAPH risk in a dose-response manner. These findings offer new insights into dietary factors in HAPH etiology and can explain Tibetan adaptation to high altitudes.
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