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While all links worked when entries were posted to the database, different publishers have different policies about retaining articles and providing access to archived material. Thus some of the links, particularly older ones, may no longer be functional. For links no longer working, you may be able to gain paid access to text via the publisher's site.
Various environmental factors, including infectious and chemical agents, are known, suspected, or theorized to play a role in causation of autism. Autism prevalence is generally thought to be increasing, though changing diagnostic criteria and increased reporting are likely to be contributing somewhat to that increase. Genetic factors are important in the causation of autism but are not fully explanatory. 19 June 2004. More... [related stories]
Nearly half of all pregnancies in the US today result in the loss of the baby or a child born with a birth defect or chronic health problem. Genetic, nutritional, infectious, and other environmental factors, such as radiation, pharmaceuticals, and toxic chemicals, contribute to the total incidence of birth defects, but the percentage attributable to each is not known. 10 June 2004. More... [related stories]
Italian researchers review the evidence for occupational exposures and male reproductive outcomes. Occupational exposures to metals, solvents and pesticides have all been associated with alterations of sperm quality and reduction of fertility. Although contaminants have been measured in seminal fluid and in sperm, the concentrations are much lower than in other tissues. Occupational Medicine 1 May 2001. More...
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