Archive | Environmental Factors


TV remotes a bacterial cocktail

A study that investigated bacterial populations on hotel room surfaces found television remote controls and housekeeping carts to be amongst the most heavily contaminated items. The researchers behind the work, from the University of Houston, reported their findings yesterday at the 2012 General Meeting of the American Society for Microbiology. The study adds some empirical […]

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Antidepressants in water induce autism-like gene expression in fish

Antidepressants and other psychoactive medications in water affect the gene expression profiles of fish in a way that mimics the gene expression patterns associated with autism spectrum disorder, say researchers at Idaho State University. The findings are based on work with fathead minnows and appear in the journal PLoS ONE. Identifying environmental triggers for autism […]

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Virus linked to macular degeneration

US scientists have found that a type of herpes-virus infection of the eye is associated with age-related macular degeneration, a disease that causes blindness in the elderly. The findings, appearing in PLoS Pathogens, indicate that human cytomegalovirus causes the production of vascular endothelial growth factor (VEGF), a signal protein that regulates the formation of new […]

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More evidence for environmental chemicals contributing to Parkinson’s disease

A new twin study has found a significant association between exposure to trichloroethylene (TCE) and other chemicals used in dry cleaning, paints and cleaning products and the development of Parkinson’s disease. Published in the Annals of Neurology, the study looked at a group of human twins where one twin had been exposed to TCE or […]

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Contraceptive pill to blame for rise in prostate cancer?

Intriguing new findings from Canadian researchers link rates of prostate cancer around the globe to environmental estrogen pollution caused by the contraceptive pill. The researchers, David Margel and Neil Fleshner, from Toronto University, make the case for their hypothesis in the British Medical Journal. Margel and Fleshner used data from the International Agency for Research […]

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Adolescent boys aspire to be average

An intriguing study that looked at male adolescence and body image found a prevailing view among boys that the pursuit of a chiseled body was unnatural and feminine, and that most boys simply wanted an “average” physique. The study was conducted by researchers from Concordia University and the University of Manitoba and published in the […]

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Radiation’s bad rep a beat-up, controversial new research claims

University of Massachusetts toxicologist Edward Calabrese claims to have evidence that Nobel Prize winner Hermann Muller knowingly lied when he claimed in 1946 that there is no safe level of radiation exposure. Calabrese says that Muller and other researchers had actually established threshold levels where the effects of radiation were benign – or even helpful […]

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