How Coffee Helps Women Retain Memory After Age 70

At age 74, many people start noticing subtle slips in memory—forgotten names, misplaced items, slower word recall. But what if a daily habit like drinking coffee or tea could help slow that decline, especially for women? A major study from France’s National Institute of Health and Medical Research offers some concrete answers.

If you’re a woman in your seventies or older, drinking more than three cups of coffee or tea per day is linked to significantly smaller drops in memory test scores over two to four years—especially when it comes to remembering words.

The French Study on Aging and Caffeine

Researchers led by Dr. Ritchie from France’s National Institute of Health and Medical Research conducted a large-scale study involving approximately 7,000 older adults—both men and women—with an average age of 74. The participants came from three French cities: Bordeaux, Dijon, and Montpellier.

Each participant reported their daily intake of coffee, tea, medications containing low doses of caffeine, and caffeinated soft drinks like Coca-Cola. They then completed a series of cognitive tests, including specific assessments for word memory. Importantly, the same mental skills tests were repeated two and four years later to track changes over time.

Key Findings for Women

The data revealed clear patterns among older women:

• Women who drank more than three cups of coffee or tea per day showed almost no decline in test scores over the two- to four-year follow-up period, compared to those who drank just one cup per day.
• This protective effect was particularly strong for verbal memory—remembering words and language-based information.
• Coffee and tea consumption did not appear to lower the risk of developing dementia, such as Alzheimer’s disease, possibly due to the relatively short study duration.

What About Men?

For older men in the study, caffeine intake from coffee or tea showed no significant impact on long-term cognitive test performance. Researchers hypothesized that women may be more sensitive to the effects of caffeine, which could explain why the benefits were more pronounced in female participants.

Why This Matters for Your Coffee Routine

If you’re a woman approaching or past retirement age, your daily coffee or tea habit might be doing more than just helping you wake up. The study suggests that three or more cups per day could help you hold onto verbal memory skills as you age—though it’s not a shield against dementia.

Frequently Asked Questions

How many cups of coffee or tea per day helped women retain memory?

Women who drank more than three cups of coffee or tea daily had significantly less decline in memory test scores over two to four years, especially in verbal memory tasks, compared to those who drank just one cup per day.

Did coffee help men retain memory as well?

No, the study found no significant effect of coffee or tea consumption on long-term cognitive test performance in older men.

What types of memory were most affected?

The biggest impact was seen in verbal memory—tests involving word recall and language-based information—where women drinking more than three cups daily showed much less decline.

Does coffee reduce the risk of dementia?

The study did not find evidence that coffee lowers dementia risk, possibly because the follow-up period of two to four years was too short to detect such effects.

Why might women benefit more from caffeine than men?

Researchers suggested that women may be more sensitive to caffeine, which could explain why higher coffee and tea intake had a clearer memory-protecting effect in female participants.

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