introduction: psychological and social health is the main problems of workers population, which can increase productivity at work and physical and mental health and provide or decline in these aspects. materials and methods: this study was descriptive and crosses - sectional and has been performed on 388 iranian central iron ore company workers. the tool of study was standard ghq-28 question ar...

bacteriological examination of air and water, &c., might have had more space devoted to it, considering the iiirmnse importance of modern developments in this particular branch of study. We are glad to report that this blemish has been removed, and that uu ier the hands of Dr. W. G. Savage this section has developed from the twenty pages of the second edition into nearly 140 piges of this editi...

This is practically a companion volume to Parkas and Kenwood's Hygiene and Public Health. The new edition lias been considerably altered and entirely revised. It is divided into seven parts, viz., the examination of water for public health purposes, the analysis of sewage, etc., soil examination, air analysis, food examination, the examination of disinfectants and Part VIT (written by Dr. Savag...

very favourably some time ago. The present volume is intended for the public health student and will be found very useful by medical officers at home on leave, who are working for that most useful diploma, the D. P. H. The first 126 pages of this book is taken up with the chemical, microscopical and physical examination of water for public health purposes. Part II treats of the analysis of sewa...

his revolutionary account of inheritance in 1865, his work remained almost unknown until the beginning of the last century. A pioneer in this turnaround was William Bateson, a Cambridge botanist, who had come across the paper and was impressed by the implications of its contents. Spurred by a meeting on plant hybridisation and breeding backed by Britain's Royal Horticultural Society (RHS) in 18...