BACKGROUND Hairdressers are exposed to various irritating chemicals during work. OBJECTIVE This study was designed as a case-control study to evaluate the risk of developing obstructive lung disease in relation to occupational exposures in hairdressers. METHODS We interviewed a cohort of 50 female hairdressers and 50 matched controls recruited from a random sample of the general population,...

Nanotechnology is the recent science dealing with materials at nano-sized (smaller than 100nm). showed its potential significance in almost all industrial sectors. In current paper, potency of nanotechnology was affirmed food and technology, especially manufacturing edible oils which passes many procedures, from most important step bleaching to remove colorants contaminants enhance quality para...

I hate for many years, lotli in my own family and in p actice, employed a solution of the chloride or muriate of calcium in certain cases, in which I have come to regard it as possessing quite the character of a specific. Previous to the year 1825, when iodine and its salts were introduced by Coindet, Lugol, and others as the remedy for strumous diseases, the profession trusted almost exclusive...