By Peter A. J. Holst M.D., Ph.D. (auth.)

Birdkeeping is turning into more and more renowned, yet might it threaten strong healthiness? This e-book discusses the evi- dence suggesting that maintaining puppy birds is a robust hazard issue for lung melanoma. Its relation to a couple of different endpoints, together with loss of life ahead of age 60 and spontaneous abortion, is additionally tested. additionally, the booklet seems on the illnesses that may be transmitted from birds to guy - a pretty unknown box as a rule drugs. for example, birds are a resource of airborne debris which can reason allergy symptoms in people. those that continue birds as pets are likely to have a better prevalence of shortness of breath, colds, sore throats and different flu-like indicators than these in families with no birds. The facts provided during this ebook is the results of a ten-year normal perform survey. a few suggestions for destiny learn are given.

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Additional resources for Bird Keeping as a Source of Lung Cancer and Other Human Diseases: A Need for Higher Hygienic Standards

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Smoking habits and the social class of patients were also noted. This chapter describes the study methods and some of the main results. 2 Methods Duration of Survey. The main survey period ran from 1972 to 1981 with some analyses incorporating data collected in 1971, 1982 and 1983. Risk Factors. Data were recorded on sex, age, smoking habits, number of persons per household and occupation of the principal wage earner of the household. In addition, a history of keeping dogs, cats, birds and rodents in each year of the survey was recorded by oral interview during office visits, and was later confirmed by writing to each household member in 1982.

1984). Absolute helper T-cell shortages lead to an increased risk of neoplasms. Disease Manifestations. Inflammation of the walls of the minute air sacs of the lung, the sites of gaseous exchange, is caused by inhaled inorganic dusts such as coal dust, silica and asbestos or by inhaled organic dusts from mouldy hay, straw, dovecotes or the cages of pet birds. Chronic alveolitis progresses slowly to the state of fibrosis, emphysema and bronchiectasis (Lee et a1. 1983). Mode of Transmission. Daily contact with bird antigens is much more intense when a person has one or several birds in his living room than when a person goes briefly to the dovecote to clean it daily, as is usually the case with most pigeon fanciers.

Bird Keeping. Information was collected on how long birds were kept and the type of birds. A patient or control was considered to be a bird keeper if he or she had kept caged birds in the home for longer than 6 consecutive months in the period 5 to 14 years before lung cancer was diagnosed or, in the case of a control, the same period before the date of diagnosis of the patient. Reasons for the choice of this period have been discussed already in Sect. 2. Diet. Information on diet was collected by asking questions about how often fruit and vegetables containing j3-carotene or vitamin C had been regularly eaten since 1975 and about the consumption of alcohol.

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Bird Keeping as a Source of Lung Cancer and Other Human by Peter A. J. Holst M.D., Ph.D. (auth.)
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