Contrary to Popular Belief, Caffeinated Coffee Reduces Risk of Kidney Stones Formation, Scientists Found

By Kyle J. Norton

Food therapy is a model of diet, using foods as a form of medicine for healing purposes by centered on concepts of food that contains ingredients for treatment of diseases if eating in moderation.

However, the concept may be best  practice in diseases prevention. In treatment of ailments, food theory takes longer to ease symptoms, depending to stages of the treatment that directly address to the cause of disease.

Kidney stones is a composed of mineral salts formed in the kidneys.

The single cause of kidney stone is debatable. However, some researchers suggested that dehydration, food restriction, Rotavirus infection, over intake of calcium and supplements, ,,, and high fat intake are associated to increased risk of forming of kidney stone(4).

According to statistic, kidney stones effect over 10% of world population.
 

Men account for the 80% of those with kidney stones and are at risk of the forming between 30 and 40 years of age. 

About 75% of kidney stones are calcium stones.

Symptoms of kidney stone include excruciating intermittent pain, usually in the flank (the area between the ribs and hip), that spreads across the abdomen, often to the genital area and inner thigh. 

The pain tends to come in waves, gradually increasing to a peak intensity, then fading, over about 20 to 60 minutes. 

The pain may radiate down the abdomen toward the groin or testis or vulva(4).

If you experience the above symptoms, you may have kidney stones please see your doctor as soon as possible.

Epidemiological studies linking coffee and caffeine intake in risk of kidney stone formation are totally depended to daily amount of consumption.

Coffee, a popular and social beverage all over the world, particular in the West, is a drink made from roast bean from the Coffea plant, native to tropical Africa and Madagascar.

According to the Warsaw Agricultural University, coffee and tea consumed daily and regularly expressed an increased risk of kidney stone by more than 80% in compared to risk of other factors, probably due to presence of oxalates if the amount of intake is over 240-ml (8-oz) daily.

In fact, in the analyzed nutritional habits of 22 stone formers with special regard to oxalate content as one of the main nutritional lithogenic factors associated with kidney stones, researchers found that risk of kidney stone increased substantially for men and women if dietary oxalate intake was over 354 mg and 406 mg, respectively.

In a total of 217,883 participants; over a median follow-up of >8 y, 4982 incident cases of kidney stone occurred studies, researchers files the following results.
1. The highest quintile of caffeine intake (95% CI: 12%, 38%) showed a significant reduced risk of developing stones by 26%, according to the Health Professionals Follow-Up Study (HPFS).
2. Caffeine inkate showed a 29 % lower risk in the NHS I cohort, and
3. and 31% lower risk in the NHS II cohort

Dr. the lead author said. “Among 6033 participants with 24-h urine data, the intake of caffeine was associated with higher urine volume, calcium, and potassium and with lower urine oxalate and supersaturation for calcium oxalate and uric acid”.

Furthermore, a prospective study in investigated relation between intake of 21 different beverages and risk of symptomatic kidney stones in a cohort of 45,289 men, 40-75 years of age conducted by the Harvard School of Public Health, suggested that the risk of stone formation decreased by 10%. of the amount for each 240-ml (8-oz) serving consumed daily in caffeinated coffee.

Taking altogether, the findings demonstrated a significant effects of  caffeinated coffee intake of less than or equal to 240-ml (8-oz) in decreased risk of formation of kidney stones.

Due to small example size of above studies, further data collection on large sample size and multi centers clinical studies performed with human consumption during the course of the investigation will be necessary to complete the picture of caffeinated coffee intake of  less than 240-ml (8-oz) in reduced risk of kidney stone possibilities.

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Author Biography
Kyle J. Norton, Master of Nutrients
Health article writer and researcher; Over 10.000 articles and research papers have been written and published on line, including world wide health, ezine articles, article base, healthblogs, selfgrowth, best before it’s news, the karate GB daily, etc.,.
Named TOP 50 MEDICAL ESSAYS FOR ARTISTS & AUTHORS TO READ by Disilgold.com Named 50 of the best health Tweeters Canada – Huffington Post
Nominated for shorty award over last 4 years
Some articles have been used as references in medical research, such as international journal Pharma and Bio science, ISSN 0975-6299.

Sources
(1) Tea and coffee as the main sources of oxalate in diets of patients with kidney oxalate stones by Gasińska A1, Gajewska D.(PubMed)
(2) Caffeine intake and the risk of kidney stones by Ferraro PM1, Taylor EN1, Gambaro G1, Curhan GC1.(PubMed)
(3) Prospective study of beverage use and the risk of kidney stones by Curhan GC1, Willett WC, Rimm EB, Spiegelman D, Stampfer MJ.(PubMed)
(4) Kidney stone by Kyle J. Norton