Research suggests that drinking coffee and tea together in moderation will lengthen life expectancy. More precisely, the two might be connected to a lower risk of strokes and dementia.
The study, conducted by experts from China’s Tianjin Medical University, analyzed over 500,000 people between the ages of 37 and 73 by examining data from the UK Biobank, a significant biomedical database, over about 12 years.
They were able to identify the drinking habits that are typically associated with the lowest rates of disease and the longest life spans by comparing the amounts of coffee and tea consumed (both separately and together) with specific causes of death (including cardiovascular, respiratory, and digestive diseases) and all-cause mortality.
Previous research suggested that moderate coffee and tea consumption are related to a lower risk of mortality, says the report published in BMC Medicine Journal.
But this new study analyzed the combined effects of coffee and tea consumption on mortality.
The researchers reported that they had discovered “significant interactions” between coffee and tea consumption and mortality from all causes and digestive diseases.
“Our study underscores that it is of vital significance to integrate < 1–2 cups/day of coffee and 2–4 cups/day of tea into diet patterns and health management programs if observed associations are causal,” concluded the researchers.
They request additional research to support their conclusions and shed light on the potential mechanism linking the combined consumption of coffee and tea to mortality.
Caffeine has well-known vasoconstrictive effects, which means that blood vessels constrict to reduce blood flow, hence reducing discomfort and assisting with migraines and headaches. As for tea, it soothes stress and anxiety.
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