Food therapy: Coffee in Reduced risk of Respiratory Diseases?

By Kyle J. Norton

Intake of coffee and coffee caffeine may have a potential effect in reduced risk and progression of respiratory disease, a renowned university study suggested.

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

Respiratory disease is a class of diseases involved abnormal lung function including conditions of the upper trachea, bronchi, bronchioles, alveoli, pleura and pleural cavity,....

In review of 15 studies, including seven cohorts, six cross-sectionals, one case control and one randomized control trial, researchers at the joint study lead by the University of Coimbra, filed the below interesting results1. Risk of asthma was reduced in coffee injection group.
2. Coffee accompanied with honey displayed a positive effect in treatment for persistent post-infectious cough.
3. In control study, the higher risk of chronic obstructive pulmonary disease(COPD) prevalence was associated to coffee consumption.4. Coffee was also found to associate to lower respiratory mortality.
5. Coffee injection group also benefit to improved lung function
6. Smoking was a significant risk factor in all cases.

With all the information collected, Dr. Alfaro TM, the lead authors proposed, "Coffee consumption was associated with some positive effects on the respiratory system" and "coffee consumption may be a part of a healthy lifestyle leading to reduced respiratory morbidity."

Other, in the study filed by the CHU de Nancy, coffee consumption  showed a contradictory effect involving respiratory diseases.
1. Coffee intake showed a beneficial effect on bronchospasm.
2. But on other studies, coffee intake has been suspected of contributing to the development of chronic airflow obstruction (COPD) and bronchial cancer.

The study explained, these contrastive results may be attributed to the causal relationship in indirectly linking strong positive correlation between the consumption of coffee and use of tobacco.

The author also warmed that coffee taken in large quantities by pregnant women, may increase risk of neonatal apnoea in the newborn, if abrupt cessation in the caffeine level.

Also in the comparison of the prenatal exposure to acetaminophen and coffee with childhood asthma, researchers found that intake of coffee during pregnancy showed a strong effect in reduced risk of childhood asthma, according to the 63,652 live-born singletons enrolled in the Danish National Birth Cohort. 

Taking together, coffee intake have a strong protection against respiratory diseases(including reduced risk of childhood asthma), but increased incidences of chronic airflow obstruction (COPD), and bronchial cancer, therefore, people with above exceptive disease should reduced intake of coffee and consult with their doctors.

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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) Chronic coffee consumption and respiratory disease: A systematic review by Alfaro TM1,2,3, Monteiro RA1, Cunha RA2, Cordeiro CR1,3.(PubMed)
(2) [Effects of coffee on the respiratory system].[Article in French] by Martinet Y1, Debry G.(PubMed)
(3) Association of prenatal exposure to acetaminophen and coffee with childhood asthma by Liu X1, Liew Z2, Olsen J1,2, Pedersen LH3, Bech BH1, Agerbo E4,5, Yuan W6, Li J7.(PubMed)