BACKGROUND The child growth standards released by the World Health Organization (WHO) in 2006 have several technical advantages over the previous 1977 National Center for Health Statistics (NCHS)/WHO reference and are recommended for international comparisons and secular trend analysis of child malnutrition. To obtain comparable data over time, earlier surveys should be reanalyzed using the WHO...

Editorials 468 The globalization of trade, which has contributed to food availability and diversification throughout the world, has also increased the chances that the food produced in one place will affect the health and diet of people living in another. As a result, global food safety and nutrition measures applicable across borders, institutions and disciplines, including the establishment o...

the intensity of noise, heat and light were measured in 10 different groups of food processing plants with 3820 employees. noise was measured in 265 working places and if the over-all noise was more than t.l.v. (90dba), the octave band analysis was carried out. effective temperature (e.t) or corrected effective temperature (c.e.t) were measured in 183 working places and air velocity relative hu...

introduction: this is a descriptive study to study the conditions of hospital libraries at iran ,tehran and shahid beheshti university of medical sciences and compares the staff, printing sources, services and physical situations with “standards for hospital libraries 2002” and “standard of educational and treatment center library collection”. methods: this survey has been done on 35 hospital l...

background and objectives: medical tourism tourism is emerging as a fast growing healthcare industry with the potential to open a new economic opportunity for developing countries. iran has been the treatment destination of many medical tourists from middle eastern countries for many years, yet this field of services remains underdeveloped. the best judges for the challenges facing development ...

there are 3700 wells in tehran city, of which 850 are deep wells. to determine tehran ground water quality, as a pretest we selected 102 wells by simple random sampling; water analyses were made according to the latest edition (1985) of the standard methods. comparisons of the obtained results with who standards show that only 0.98% of the samples go beyond the maximum desirable concentration o...

BACKGROUND Research in 2007 showed that World Health Organization (WHO) recommendations were largely based on expert opinion, rarely used systematic evidence-based methods, and did not follow the organization's own "Guidelines for Guidelines". In response, the WHO established a "Guidelines Review Committee" (GRC) to implement and oversee internationally recognized standards. We examined the imp...