results of some cancer researches show that a number of hormones in ceratin tumors are growing up. often, the majority of these hormones are produced by tumor cells or by an unknown origin in the neoplastic area. also, it is clear that some of these ectopic hormones are produced only by specific tumors. in addition, different effects of these abnormally produced hormones on the immune system ar...

Between 1995 and 2018, the production of fish fishery products using feed increased from 12 to 54.3 million tons. In cultivation such in many countries, hormones are widely used as growth stimulants increase efficiency conversion for purpose sex reversal, well artificial reproduction. Hormones, especially their synthetic forms, poorly metabolized marine organisms, which leads accumulation food ...