Daily mix of water, coffee, and tea linked to longer life, study finds

A new study published in the British Journal of Nutrition suggests that drinking a balanced mix of water, coffee, and tea daily may promote longevity, Medical News Today reported.

Researchers analysed data from 182,770 UK adults over 13 years and found that those consuming 7-8 drinks per day — including coffee, tea, and water — had a 28% lower risk of death from any cause compared to those drinking fewer than four.

Experts emphasise the importance of hydration for overall health but note that the quality and variety of fluids also matter. Dr Thomas M Holland, a physician-scientist not involved in the study, highlighted that a blend of coffee and tea, roughly in a 2:3 ratio, offered the greatest protection against major diseases, including heart and digestive conditions.

Coffee contains beneficial compounds like flavonoids and chlorogenic acids, which may reduce inflammation and improve insulin sensitivity. Similarly, tea offers antioxidants such as catechins that support vascular health. Together, these beverages may amplify each other’s positive effects.

However, experts warn against excessive caffeine intake. Consuming more than nine drinks daily, mostly coffee and tea, can raise cardiovascular risks. Moderation is key, with the ideal being around seven to eight drinks combining water, coffee, and tea.

While the findings are promising, researchers caution that observational studies cannot prove cause and effect. Factors like preparation methods, added ingredients, and lifestyle habits may also influence outcomes.

In summary, aiming for a varied fluid intake — hydrating primarily with water, supplemented by moderate amounts of coffee and tea — may contribute to better health and longevity.