Sunday, February 24, 2019

The More Coffee You Drink

From Healthy Holistic Living:
Despite the ongoing debate, coffee has long since been correlated with longer life and better health. (1,2) However, a new and extensive study conducted in the UK may have just broken some serious ground, measuring a factor that hasn’t been specifically weighed in the discussion of coffee and longevity: metabolism. (3) 
A study done by researchers from the U.S. National Cancer Institute and Northwestern University using data from the UK Biobank measured the mortality of a massive study group of over 500,000 subjects over a 10 year period. Researchers analyzed the number of cups of coffee subjects consumed on average each day, using non-coffee drinkers as a reference group. The also “investigated potential effect modification by caffeine metabolism,” meaning the impact of their bodies’ ability to metabolize and utilize caffeine more or less quickly. 
Researchers used what is called a hazard ratio to illustrate how much of an effect they observed the variable of coffee drinking to have on the subjects health and lifespan. In this case, a ratio of 1 would mean that there was no observable impact of coffee drinking whatsoever, while a ratio of 0.5 would indicate that coffee drinking subjects were half as likely to die as the non-drinkers. The ratios they assigned to the drinkers of 1-8 cups of coffee a day were ranged from 0.94 – 0.86. This concluded that coffee drinkers of any amount faced a 6% – 14% lower chance of death, which researchers maintain is a hugely significant figure. (Read more.)

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