Three Cups of Coffee a Day Lowers Risk of Death

(p. D6) That morning cup of coffee may be linked to a lower risk of dying, researchers from a study published Monday [June 6, 2022] in The Annals of Internal Medicine concluded. Those who drank 1.5 to 3.5 cups of coffee per day, even with a teaspoon of sugar, were up to 30 percent less likely to die during the study period than those who didn’t drink coffee. Those who drank unsweetened coffee were 16 to 21 percent less likely to die during the study period, with those drinking about three cups per day having the lowest risk of death when compared with noncoffee drinkers.

Researchers analyzed coffee consumption data collected from the U.K. Biobank, a large medical database with health information from people across Britain. They analyzed demographic, lifestyle and dietary information collected from more than 170,000 people between the ages of 37 and 73 over a median follow-up period of seven years. The mortality risk remained lower for people who drank both decaffeinated and caffeinated coffee. The data was inconclusive for those who drank coffee with artificial sweeteners.

“It’s huge. There are very few things that reduce your mortality by 30 percent,” said Dr. Christina Wee, an associate professor of medicine at Harvard Medical School and a deputy editor of the scientific journal where the study was published. Dr. Wee edited the study and published a corresponding editorial in the same journal.

. . .

The study showed that the benefits of coffee tapered off for people who drank more than 4.5 cups of coffee each day.

For the full story see:

Dani Blum. “Have a Cup of Coffee. It Could Extend Your Life.” The New York Times (Tuesday, June 7, 2022): D6.

(Note: ellipsis, and bracketed date, added.)

(Note: the online version of the story has the date June 1, 2022, and has the title “Coffee Drinking Linked to Lower Mortality Risk, New Study Finds.” Where there are minor differences in wording between the versions, the passages quoted above follow the online version.)

The academic article summarized in the passages quoted above is:

Liu, Dan, Zhi-Hao Li, Dong Shen, Pei-Dong Zhang, Wei-Qi Song, Wen-Ting Zhang, Qing-Mei Huang, Pei-Liang Chen, Xi-Ru Zhang, and Chen Mao. “Association of Sugar-Sweetened, Artificially Sweetened, and Unsweetened Coffee Consumption with All-Cause and Cause-Specific Mortality.” Annals of Internal Medicine 175, no. 7 (July 2022): 909-17.

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