Why waking up to a cup of coffee could boost longevity?

Coffee is a constant morning companion for many and some throughout the day. One cup when you arise can energise you, also providing a dependable pick-me-up to finalise meetings and submit deadlines by mid-day. At the same time, a good brew can stimulate energy at night to keep you up until dawn. Did you know that it can help you live longer?

What’s in a morning cup

A cuppa day for longevity? Many nutrients from coffee beans make it into the final drink, including a decent dose of vitamins and minerals.

A cup of coffee contains [1]:

  • 2% of the RDA for niacin (B3) and thiamine (B1)
  • 3% of the RDA for potassium and manganese
  • 6% of the RDA for pantothenic acid (vitamin B5)
  • 11% of the RDA for riboflavin (vitamin B2)

We have been enjoying coffee for around two thousand years since its first discovery (according to experts) in Ethiopia in the first century CE [2]. It wasn’t until a millennium and a half later that the initial coffeehouses arose. In the 1500s, coffeehouses spread swiftly through the Arab world as a political gathering place to strategise, socialise and gossip.

The legitimate perk-me-up has been powering many to start their day, and the process is a little more lengthy, but here it is concisely [3]. From seed to your cup, coffee follows several steps to turn into your favourite beverage[4] :

  • Planting
  • Harvesting cherries
  • Processing cherries
  • Drying beans
  • Milling beans
  • Exporting beans
  • Tasting coffee
  • Roasting coffee
  • Grinding
  • Brewing
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Coffee and longevity

So how does it prolong life? A study of around half a million British adults revealed that coffee drinkers have a slightly lower risk of death (with a 10-year follow-up period) than non-coffee drinkers [5].

The alleged longevity boost is, however, another portion of good news for coffee lovers, including health benefits documented in drinkers of instant, ground and decaffeinated coffee [6]. 

The study is also the first to present health benefits in people with genetic glitches affecting their bodies’ reactions to caffeine. Health experts cautioned that people should not start consuming coffee, or increasing their intake, for health reasons. They also warned too much of it for women during pregnancy could be dangerous.

The study is also the first to present health benefits in people with genetic glitches affecting their bodies' reactions to caffeine.

Researchers at the National Cancer Institute (NCI) utilised data from people taking part in a genetic study called the UK Biobank. The study participants volunteered to give blood and answer elaborate health and lifestyle queries.

For the latest study, published in the Journal of the American Medical Association’s JAMA Internal Medicine, NCI researchers analysed data supplied by approximately 500,000 people, who answered questions about coffee consumption, drinking and smoking habits and medical history, among others.

Around 14,200 of those same people passed in the 10-year follow-up period, though researchers found individuals were more likely to live longer with nearly every level and type of coffee consumption. The results generally reveal coffee drinkers to be about 10 to 15% less likely to die than non-coffee drinkers during a 10-year course of follow-up checks. The discrepancies documented about the amount of coffee consumed and genetic deviations were minimal.

Other studies have asserted substances in coffee might lower inflammation and enhance how the body uses insulin, which could reduce the likelihood of acquiring diabetes.

Late last year, a study at the University of Southampton in the UK found that people who consume 3 or 4 cups of coffee daily could significantly reduce their chances of early death [7].

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Other health benefits from coffee 

If helping you live longer isn’t enough, here are some more advantages of drinking coffee:

  • It burns fat – caffeine boosts metabolic rate and mobilises fatty acids from fat tissues. It can also improve physical performance.
  • It may drastically lower risks of type 2 diabetes – drinking coffee is associated with a reduced risk of type 2 diabetes. People who drink several cups daily are the least likely to develop diabetes.
  • It may be good for your liver – coffee appears to be protective against certain liver conditions, reducing the risk of liver cancer by 40% and cirrhosis by as much as 80%.
  • It may reduce the risk of Parkinson’s and Alzheimer’s – coffee is associated with a much lower risk of neurodegenerative disorders, Alzheimer’s and Parkinson’s and dementia.
  • It can make you more intelligent – caffeine obstructs an inhibitory neurotransmitter in the brain, which has a therapeutic effect. Controlled studies indicate that caffeine enhances both mood and brain operation.

Coffee is good for you, but drinking too much can still be unhealthy. In addition, keep in mind that some evidence is not substantial. Many of the mentioned studies were observational, and such examinations can only show linkage but cannot verify that the drink generated the benefits.

It may also help to avoid adding sugar to your coffee; if you want to get potential health benefits. If coffee affects your sleep, don’t drink it after 2pm. Ultimately, coffee may be the healthiest beverage on the planet.

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[1] http://nutritiondata.self.com/facts/beverages/3898/2
[2] https://foodinsight.org/caffeine/a-brief-history-of-coffee/
[3] https://www.ncausa.org/about-coffee/10-steps-from-seed-to-cup
[4] https://www.theartofsimple.net/coffee/
[5] https://www.cnbc.com/2018/07/03/drinking-coffee-could-help-you-live-longer-study-says.html
[6] https://www.cnbc.com/2017/11/23/three-coffees-a-day-linked-to-range-of-health-benefits-study-says.html
[7] https://www.cnbc.com/2017/11/23/three-coffees-a-day-linked-to-range-of-health-benefits-study-says.html

The information included in this article is for informational purposes only. The purpose of this webpage is to promote broad consumer understanding and knowledge of various health topics. It is not intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of your physician or other qualified health care provider with any questions you may have regarding a medical condition or treatment and before undertaking a new health care regimen, and never disregard professional medical advice or delay in seeking it because of something you have read on this website.