Food Therapy: Coffee Intake< or =1 Cup/Day in Reduced Risk of Kidney Diseases in Healthy Women

Kyle J. Norton


Epidemiological studies linking drinking coffee daily and regularly in risk of chronic kidney disease (CKD) have been contracdictory and inconclusive.

Kidney diseases are medical conditions characterized by inability of kidney in filter out wastes from the blood.

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

In the review literature published on database from MEDLINE, EMBASE, and Cochrane from inception until April 2016 to compare risk of CKD in individuals consuming significant amount of coffee vs. those who did not consume coffee, the led joint study institute Bassett Medical Center, researchers filed the following results in 4 observational studies involved 14 898 individuals
1. Participants drinking one cup of coffee per day or greater was associated to reduced risk of kidney disease of RR(relative ratio) of .71
2. In women subgroup, the relative risk of kidney disease developing was .81
3. In men subgroup, the RR was 1.10

The findings suggested that  there was no significant association between 2 groups in risk of chronic kidney diseases, without mentioned  risk of kidney disease increased in women drinking over 1 cup of coffee daily and regularly.

Other, in the differentiation of sample size of the population of 151 of  autosomal dominant polycystic kidneys disease with a median follow-up of 4 visits per patient and a median follow-up time of 4.38 years researchers indicated that there was no difference in size of kidney in coffee drinkers in compared to non-coffee drinkers, even after adjusting to other factors. 

Dr. Girardat-Rotar L, the lead researchers said, "Data derived from our prospective longitudinal study do not confirm that drinking coffee is a risk factor for ADPKD progression".

Additionally, in a total 2,673 women aged 35 to 84 years, participated in the Fourth Korea National Health and NutritionExamination Surveys, conducted in 2008 with habitual coffee consumption  classified into three categories: less than 1 cup per day, 1 cup per day, and 2 or more cups per day against risk of renal impairment, researchers at the Asian study filed the following results
1. Risk of renal function impairment was higher in women who drank < 1 cup of coffee per day in compared to non drinkers.
2. The relative risk odd of renal impairment of drinking < 1 cup of coffee per day was significant lower in compared to those habitually drank ≥ 2 cups per day,
3. Risk of renal function impairment was found inversely associate coffee consumption ≥ 2 cups of coffee per day in only diabetic women in compared with consumption < 1 cup of coffee per day.

Taking altogether, the conflict evidences suggested that coffee intake may only benefit healthy women who drink less or 1 cup of coffee per day regularly and daily. Regardless to the outcome, people with kidney deficiency should consult with their doctors befogging applying.

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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) Association of coffee consumption and chronic kidney disease: A meta-analysis by Wijarnpreecha K1, Thongprayoon C1, Thamcharoen N1, Panjawatanan P2, Cheungpasitporn W3.(PubMed)
(2) Long-term effect of coffee consumption on autosomal dominant polycystic kidneys disease progression: results from the Suisse ADPKD, a Prospective Longitudinal Cohort Study by Girardat-Rotar L1, Puhan MA2, Braun J2, Serra AL2,3.(PubMed)
(3) Association between Coffee Consumption and Renal Impairment in Korean Women with and without Diabetes: Analysis of the Fourth Korea National Health and Nutrition Examination Surveyin 2008 by Kim BH1, Park YS, Noh HM, Sung JS, Lee JK.(PubMed)