منابع مشابه
Are pesticides a problem?
Twenty seven adult patients with newly diagnosed non-Hodgkin's lymphoma localised to either bone (Stage IE) or bone and regional lymph nodes (Stage IIE) were treated between 1967 and 1988. Median age was 53 years and the commonest histology (21 patients) was diffuse histiocytic lymphoma. Twenty-four patients were treated radically: 15 with radiation therapy (XRT) alone and nine with chemotherap...
متن کاملWhat Are Organochlorine Pesticides?
Pesticides are a group of chemicals made for the purpose of killing or otherwise deterring “pest” species. The word pesticide may refer to insecticides, herbicides, fungicides, or other pest control formulations. Pesticides are inherently toxic and often associated with adverse health effects in non-target organisms.1 Organochlorine pesticides are a large class of multipurpose chlorinated hydro...
متن کاملTNF-α inhibitors: are they carcinogenic?
Biologic therapy has increasingly been used in the treatment of chronic diseases. Tumor necrosis factor (TNF) is a cytokine implicated in the pathogenesis of rheumatoid arthritis and inflammatory bowel disease. Anti-TNF therapy is being used in the treatment of these conditions. Since the introduction of anti-TNF agents, there have been many case reports of development of malignancy after the i...
متن کاملAre 50/60 Hz magnetic fields carcinogenic
Magnetic fields are present everywhere in our environment. They are commonly measured in Tesla (T), the international unit for magnetic flux density. One Tesla is a very high magnetic field. Human exposures to such high fields occur only with magnetic resonance imaging machines (MRI machines which are used for medical imaging), which produce magnetic field levels up to a few Tesla. To describe ...
متن کاملMode of carcinogenic action of pesticides inducing thyroid follicular cell tumors in rodents.
Of 240 pesticides screened for carcinogenicity by the U.S. Environmental Protection Agency Office of Pesticide Programs, at least 24 (10%) produce thyroid follicular cell tumors in rodents. Thirteen of the thyroid carcinogens also induce liver tumors, mainly in mice, and 9 chemicals produce tumors at other sites. Some mutagenic data are available on all 24 pesticides producing thyroid tumors. M...
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ژورنال
عنوان ژورنال: BMJ
سال: 1987
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.294.6574.725