A rich literature exists that has demonstrated adverse human health effects following exposure to ambient air particulate matter (PM), with strong support for an important role for ultrafine (nano-sized) particles. At present, relatively little human health or epidemiology data exists for engineered nanomaterials (NM) despite clear parallels in their physicochemical properties and biological actions in in vitro models.

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Arsenicals (roxarsone and nitarsone) used in poultry production likely increase inorganic arsenic (iAs), monomethylarsonic acid (MMA), dimethylarsinic acid (DMA), and roxarsone or nitarsone concentrations in poultry meat. The association between poultry intake and exposure to these arsenic species, as reflected in elevated urinary arsenic concentrations, however, is unknown.

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Dengue fever, caused by a mosquito-transmitted virus, is an increasing health concern in the Americas. Meteorological variables such as temperature and precipitation can impact disease distribution and abundance through biophysical impacts on the vector and virus. Such tightly coupled links may facilitate further spread of dengue fever under a changing climate. In the southeastern United States, the dengue vector is widely established and exists on the current fringe of dengue transmission.

The U.S. Chemical Safety and Hazard Investigation Board (CSB) investigated the 17 April 2013 explosion at the West Fertilizer Company (WFC) that resulted in 15 fatalities, more than 260 injuries, and damage to more than 150 buildings. Among these structures were four nearby school buildings cumulatively housing children in grades kindergarten–12, a nursing care facility, and an apartment complex. The incident occurred during the evening when school was not in session, which reduced the number of injuries.

Personal care products are a source of exposure to potentially endocrine-disrupting chemicals such as phthalates, parabens, triclosan, and benzophenone-3 (BP-3) for adolescent girls.

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Nearly 4.3 million deaths worldwide were attributable to exposure to household air pollution in 2012. However, household coal use remains widespread. Researchers investigated the association of cooking coal and all-cause and cause-specific mortality in a prospective cohort of primarily never-smoking women in Shanghai, China.

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Green, natural environments may ameliorate adverse environmental exposures (e.g., air pollution, noise, and extreme heat), increase physical activity and social engagement, and lower stress. Researchers aimed to examine the prospective association between residential greenness and mortality.

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Globally pollen allergy is a major public health problem, but a fundamental unknown is the likely impact of climate change. To our knowledge, this is the first study to quantify the consequences of climate change upon pollen allergy in humans. The objective of the study was to produce quantitative estimates of the potential impact of climate change upon pollen allergy in humans, focusing upon common ragweed (Ambrosia artemisiifolia) in Europe.

The biological mechanisms by which cleaning products and disinfectants - an emerging risk factor - affect respiratory health remain incompletely evaluated. Studying genes by environment interactions (GxE) may help identify new genes related to adult-onset asthma.

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Exposures to high-dose and high-dose-rate ionizing radiation are established risk factors for childhood acute leukemia (AL). The risk of AL following exposure to lower doses due to natural background radiation (NBR) has yet to be conclusively determined.

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