in recent years, one of the slogans of world health organization (who) has been: prevention is better than cure. in dentistry, this means following hygienic rules in order to maintain oral cavity’s health, hence preventing microbial diseases such as dental caries and periodontal diseases. today, the role of oral health on whole body health is fully recognized. for improving the health of the so...

Introduction. Hygienic analysis of the factors, causes, scales and ways to reduce losses due impact environment on population’s health is an important contribution justification for actions aimed at achieving highest national priority - preserving population, ensuring sustainable population gain increasing life expectancy. Materials methods. Methods systemic, classical statistical probabilistic...

BACKGROUND In West Africa, the Northern Sahelian zone and the coastal areas are densely populated but the Middle Belt in between is in general sparsely settled. Predictions of climate change foresee more frequent drought in the north and more frequent flooding in the coastal areas, while conditions in the Middle Belt will remain moderate. Consequently, the Middle Belt might become a major area ...

Since the first description of this disease by Dr. B. C. Sen (1887) in 1887, at a meeting of the Calcutta Medical Society different theories have been advanced from time to time by various observers about the underlying causes, but our knowledge does not seem to be much advanced. Dietetic errors in children and bad hygienic conditions are supposed to be the most /important serological factors. ...

Good rearing management is the starting point for healthy, productive and profitable hatching egg production. Rearing management means all factors which influence the birds’ health and includes several factors such as house structure, climatic conditions (ventilation, temperature, litter condition), stocking density, feed and water supply, hygienic conditions as well as the qualification and kn...