Scientists have identified several hot beverages whose regular consumption is linked to positive health effects. It is difficult to single out an absolute leader among them, since coffee, various types of tea, and herbal drinks affect the body in different ways. At the same time, research results point to the benefits of several popular options at once. This is reported by TechInsider.
Coffee remains one of the most studied beverages. An analysis of data from the UK Biobank project showed that people who drink one or two cups a day tend to live longer on average. Studies of Asian populations have also revealed a 28% reduction in the risk of death from any cause among those who consumed up to five cups of coffee daily.
The drink’s benefits are primarily attributed to polyphenols—natural compounds with antioxidant properties. They help combat inflammation and oxidative stress, which are linked to the development of cardiovascular and neurodegenerative diseases. Caffeine may have a similar effect, but its impact depends more heavily on individual characteristics of the body.
Green tea is also associated with a reduced risk of cancer and heart disease, as well as lower overall mortality. Scientists are particularly interested in the polyphenol epigallocatechin gallate (EGCG). A large meta-analysis published in 2025 showed that regular consumption of this compound may reduce the likelihood of developing certain types of cancer.
Beneficial properties have also been found in black tea. Its consumption can lower blood pressure and levels of “bad” LDL cholesterol, and it is also linked to a slower decline in cognitive function in old age. An analysis of UK Biobank data showed that more than two cups of tea per day are associated with a 9–13% reduction in the risk of death from any cause. The popular belief that adding milk strips tea of its beneficial properties has been largely refuted by scientists.
Certain effects have also been identified in herbal teas, many of which contain polyphenols. Peppermint tea helps reduce symptoms of irritable bowel syndrome, while regular consumption of chamomile tea is associated with improved sleep quality. Hibiscus tea, in turn, has shown good results in lowering blood pressure.
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