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posted by Fnord666 on Monday May 13 2019, @07:01PM   Printer-friendly
from the coffee++ dept.

A Cup of Joe and You're Good to Go (Under 6 a Day and You're A-OK):

While the pros and cons of drinking coffee have been debated for decades, new research from the University of South Australia reveals that drinking six or more coffees a day can be detrimental to your health, increasing your risk of heart disease by up to 22 per cent.

In Australia, one in six people are affected by cardiovascular disease. It is a major cause of death with one person dying from the disease every 12 minutes. According to the World Health Organization, cardiovascular disease is the leading cause of death, yet one of the most preventable.

Investigating the association of long-term coffee consumption and cardiovascular disease, UniSA researchers Dr Ang Zhou and Professor Elina Hyppönen of the Australian Centre for Precision Health say their research confirms the point at which excess caffeine can cause high blood pressure, a precursor to heart disease.

[...] "In order to maintain a healthy heart and a healthy blood pressure, people must limit their coffees to fewer than six cups a day – based on our data six was the tipping point where caffeine started to negatively affect cardiovascular risk."

Using UK Biobank data of 347,077 participants aged 37-73 years, the study explored the ability of the caffeine-metabolizing gene (CYP1A2) to better process caffeine, identifying increased risks of cardiovascular disease in line with coffee consumption and genetic variations.

Prof Hyppönen says that despite carriers of the fast-processing gene variation being four times quicker at metabolising caffeine, the research does not support the belief that these people could safely consume more caffeine, more frequently, without detrimental health effects.

Journal Reference:
Ang Zhou, Elina Hyppönen. Long-term coffee consumption, caffeine metabolism genetics, and risk of cardiovascular disease: a prospective analysis of up to 347,077 individuals and 8368 cases. The American Journal of Clinical Nutrition, 2019; 109 (3): 509 DOI: 10.1093/ajcn/nqy297


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  • (Score: 0) by Anonymous Coward on Tuesday May 14 2019, @04:02AM

    by Anonymous Coward on Tuesday May 14 2019, @04:02AM (#843272)

    Anyhow, the main finding is that those who are addicted to caffeine do poorly on cognitive tasks with no coffee. No surprise. But even when they had their coffee, they'd barely make it up to the performance level of those who don't consume caffeine regularly, even when the latter had no stimulants. So, coffee addicts need their "hit" just to get back to the baseline of normal folks. Meanwhile non-addicts can actually get a stimulant boost occasionally if they use it once in a while and avoid addiction.

        (And yes, I do know what it feels like somewhat -- I went through phases when I'd hang out with coffee drinkers and would go for a week or more having coffee every morning, and I'd start to feel awful, and then got withdrawal headaches when I stopped... So I generally avoid ever having more than a couple days in a row, even though I like the taste of coffee. Addiction just isn't worth it.)

    Yes, this is exactly what coffee does. These people do not even remember what it is like to not be an addict anymore. Usually they are also addicted to sugar as well. The three addictions that funded the transatlantic slave trade were tobacco, sugar, and coffee. We have only attacked one of the triumvirate so far but the others are going down.