Keurig pods usually contain a small paper filter.
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4 surprising (and evidence-based) health benefits of drinking coffee
Hundreds of studies have shown that a cup of joe — or more! — every day may protect against some major diseases.
In the decades since, hundreds of studies have painted coffee in a different light, showing that it may be protective against some major diseases, including several cancers. As scientists began to take a closer look at the compounds in coffee, they discovered that a number of them have anti-inflammatory and anti-cancer properties.
One large meta-analysis that reviewed decades of research on 67 health outcomes concluded that for most adults, drinking coffee on a daily basis was “more likely to benefit health than harm” it. On average, the analysis found, people who drink several cups of coffee a day are nearly 20 percent less likely to die early compared with people who drink little or no coffee.
We reviewed the data and interviewed experts to find out which of the health benefits of coffee consumption are backed by the strongest evidence. Here’s what we found.
The four evidence-backed benefits it highlights:
Liver health — One of the most consistent findings. Coffee drinkers show lower rates of liver cancer, fatty liver disease, and cirrhosis, plus healthier liver enzyme levels. A ~500,000-person, 11-year study found ~21% lower risk of chronic liver disease and ~49% lower risk of dying from it. Benefits appeared with as little as one cup/day, peaking around 3–4 cups, and held across espresso, instant, and decaf. Chlorogenic acid (improving insulin response) and anti-inflammatory compounds are proposed mechanisms.
Type 2 diabetes — Three-to-four cups/day is associated with ~25% lower risk, with roughly a 6% risk reduction per daily cup up to about six. The dose-response is bidirectional: increasing intake lowered risk (~11%), decreasing it raised risk (~17%); tea showed no equivalent effect. Polyphenols like chlorogenic acid improve insulin sensitivity and appear to protect pancreatic beta cells.
Parkinson’s disease — Attributed largely to caffeine. A meta-analysis (~1 million people) found up to ~28% lower risk in coffee drinkers; tea drinkers saw a similar ~26% reduction. Caffeine may protect the dopaminergic neurons whose degeneration drives the disease.
More physical activity — A 2023 NEJM crossover study (100 participants, wearables) found people took ~1,000 extra steps on coffee days. Since an added 1,000 daily steps maps to roughly a 6–15% mortality reduction, the authors suggest increased movement may partly explain coffee’s mortality benefit.
Read the full article: Surprising (and evidence-based) health benefits of drinking coffee
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Perhaps someone could do a plot of national average lifespan vs coffee consumption ?
“Drink coffee live longer!”
FWIW…
AI-generated answer.
Please verify critical facts.
…meaning 12 kg can generally produce between 960 and 1,500 cups of coffee.
For a daily drinker consuming 2 coffees per day , a 12 kg supply would last approximately 120 to 240 days (4 to 8 months), depending on the dose size.
AI-generated answer.
Please verify critical facts.
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Can AI do math that wrong?
It would be 480-750 days which is a unusual error for a person to make and improbable that a computer would make.
I guess you get to the 480 and divide by 4 again and forget the 1500 or 750 ever existed?
Google AI had 600-1500 for me which is 50 to 125 per kilo.
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Curious how much I drink / yr. Usually 2 cups/day ( 730 cups/yr ) run through a single Melitta-type filter, fresh ground, medium roast. About 12g ± / day, so about 4.5kg/yr ±. Right now 12kg, for me, would last ~857 days @ 2 cups/day. But if I had a cuppa or two (or more) in the middle of many days (like when I was still working), I can imagine that 12kg would last half that long.
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This is what Claude did for me, I specifically asked for US, Canada & Japan to be included due to personal interest. Its conclusion was:
“ The pattern you’ll notice in the plot is really a wealth story, not a coffee story: rich countries both drink more coffee and live longer, while Japan is the fun outlier — highest life expectancy among major nations on a fairly modest 3.7 kg habit.”
My eye sees a point around 8 kg where there isn’t additional benefit. Also perhaps differences between populations (genetics, diet or something else) where there are separate relationships for European, Asian & (maybe) African usage.
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Japan drinks a lot of tea which has similar health benefits to coffee. So, it’s not an outlier if you include tea.
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Right, the data seems to be coffee or tea with some studies showing benefit for one versus the other but consistently either is better than neither.
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