waste collection is a necessary activity all around the world and the removal of municipal solid waste is a job associated with a variety of biological, chemical, mechanical, physical, and psychosocial hazards. in our country, like many developing countries, municipal solid waste is collected manually and collection of household waste is also a job which requires repeated heavy physical activit...

background: there are many controversies reported about the association between blood lead levels and blood pressure among lead exposed workers. studies have suggested incorporating lifestyle factors along with blood lead levels. the present study aimed to evaluate the effect of lead exposure on blood pressure changes among lead exposed workers in contemplation of lifestyle factors. materials a...