BACKGROUND Hajj is the largest annual mass gathering of muslims. The exorbitant crowd of pilgrims and the poor condition of personal hygiene and nutrition are the main predisposing factors for different infections and food poisonings. OBJECTIVES This study investigates a gastroenteritis outbreak among an Iranian caravan of hajj pilgrims. MATERIALS AND METHODS Studying the outbreak was carri...

This paper reports on the experimental determination of the thermal conductivities of some selected powdered food stuffs and their mixtures. The foodstuffs considered are: guinea corn flour, rice flour, maize flour, beans flour, cassava flour and yam flour. One to one mixtures of these foodstuffs were made in equal ratios to give mixtures of rice and beans flour, cassava and guinea corn flour a...

Radiation from the sun has different effects upon living organisms. It has been found, for instance, that ultra-violet rays of a certain wavelength present in the radiation from the sun stop the multiplication of bacteria and other micro-organisms. Good use can be made of this, without having to depend upon sunlight, by employing a low-pressure, mercury-vapour lamp emitting rays which have a sp...

Using gas chromatography (GC), 10 collaborating laboratories measured total, saturated, and monounsaturated fats in 8 blind duplicate pairs of foodstuffs. The method involves a hydrolysis/ether extraction of fat followed by quantitative GC analysis versus an internal standard. Calculations were designed to comply with federal regulations as specified in the Nutrition Labeling and Education Act ...

These basic assumptions are emphasized in order to point out the importance of the receiver's active role and participation in the learning process leading towards a more knowledgeable and responsible population in health questions. Today's health programmes have generally been based on the assumption that when people are better informed greater savings of public means could be achieved. Howeve...