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The Express Gazette
Tuesday, October 6, 2026

Longevity Expert Identifies Three Key Beverages for a Longer Life

Purified water, black coffee, and red wine are highlighted for their potential health benefits by a researcher studying global 'blue zones'.

US Politics • 2 hours ago
Longevity Expert Identifies Three Key Beverages for a Longer Life

Longevity researcher Dan Buettner has identified three beverages commonly consumed in the world's 'blue zones'—regions known for a high concentration of long-lived residents—that may contribute to a longer and healthier life. These drinks, according to Buettner, are purified water, black coffee, and red wine.

Water is ranked as the most crucial beverage for longevity. Buettner suggests that individuals aiming to live to 100 should prioritize purified water, consuming about six to seven glasses daily. Adequate hydration is linked to maintaining healthy blood pressure, keeping blood thin, and overall well-being. Research from the National Institutes of Health indicates that proper hydration supports healthier aging by preventing cellular degradation and potentially lowering the risk of chronic diseases. Health experts also note that water intake is vital for kidney function and maintaining effective blood circulation.

Black coffee is the second beverage highlighted for its longevity-promoting properties. Buettner recommends one to two cups of black coffee per day, consumed before noon. Coffee contains antioxidants and polyphenols, plant compounds that may offer anti-inflammatory benefits. Studies have associated regular coffee consumption with a reduced risk of type 2 diabetes and certain neurological conditions. To maximize benefits and minimize potential negative impacts on sleep, it is advised to avoid added sugars and heavy creams, and to cease consumption by early afternoon.

The third beverage, red wine, is noted for its consumption among residents of blue zones like Sardinia, though its inclusion is described as controversial. Buettner points out that while red wine receives negative attention, its moderate consumption in these long-lived populations suggests potential benefits. Red wine contains compounds such as resveratrol and flavonoids, which have been studied for their cardiovascular effects. However, experts increasingly question whether these potential benefits outweigh the known health risks associated with alcohol consumption, which has been linked to an increased risk of various cancers.

Buettner's findings stem from research into the dietary and lifestyle habits observed in blue zones. While these beverages are associated with longevity, individuals with existing health conditions or those taking medications are advised to consult with a healthcare professional before making significant dietary changes.


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