Background: SwimSafe, a basic swimming and safe rescue curriculum, has been taught to large numbers of children in Bangladesh. Teaching swimming potentially increases risk if it increases water exposure or high-risk practices in water. This study compares water exposure and risk practices for SwimSafe graduates (SS) with children who learned swimming naturally.
Methods: Interviewers obtained detailed water exposure histories for the preceding 48 h from 3936 SS aged 6-14 and 3952 age-matched and sex-matched children who had learned swimming naturally. Frequencies of water exposure and water entries for swimming or playing were compared.
Results: There were 9741 entries into water among the 7046 participants in the 48 h prior to interview. About one-third (31.2%) had no water entries, one-tenth (10.5%) entered once, half (49.2%) entered twice and a tenth (9.1%) entered three or more times. Proportions of children in each group were similar. About 99.5% of both groups only entered the water for bathing. For those entering to swim or play, the mean number of entries was similar (SS 1.63, natural swimmer (NS) 1.36, p=0.40). Swimming or playing alone in the water was rare (1 SS, 0 NS).
Conclusions: Most water exposure for children is for bathing. Less than 1% swam or played in the water during the 48 h recall period (0.6% SS, 0.4% NS). Learning swimming in SwimSafe did not increase water exposure nor did it increase water entry for playing or swimming compared with children who learned to swim naturally.
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http://dx.doi.org/10.1136/injuryprev-2013-041053 | DOI Listing |
PLoS One
January 2025
Alliance for Research in Exercise Nutrition and Activity (ARENA), Allied Health and Human Performance, University of South Australia, Adelaide, Australia.
Background: Cold-water immersion (CWI) has gained popularity as a health and wellbeing intervention among the general population.
Objective: This systematic review and meta-analysis aimed to evaluate the psychological, cognitive, and physiological effects of CWI in healthy adults.
Methods: Electronic databases were searched for randomized trials involving healthy adults aged ≥ 18 years undergoing acute or long-term CWI exposure via cold shower, ice bath, or plunge with water temperature ≤15°C for at least 30 seconds.
Integr Environ Assess Manag
January 2025
Henkel AG & Co KGaA, Düsseldorf, Germany.
The assessment of humans indirectly exposed to chemicals via the environment (HvE) is an assessment element of the Registration, Evaluation, Authorisation, and Restriction of Chemicals (REACH) regulation. The European Union System for the Evaluation of Substances (EUSES) is the default screening tool, aimed at prioritizing chemicals for further refinement/higher tier assessment. This review summarizes the approach used in EUSES, evaluates the state of the science in human exposure modeling via the environment, and identifies areas for further research to strengthen the confidence and applicability of EUSES for assessing HvE.
View Article and Find Full Text PDFIntegr Environ Assess Manag
January 2025
Environmental Systems Analysis, Chalmers University of Technology, Gothenburg, Sweden.
This research aims to address the data gaps in freshwater ecotoxicological characterization factors (CFs) for per- and polyfluoroalkyl substances (PFASs). These CFs are essential for incorporating the ecotoxicity impacts of PFAS emissions into life cycle assessments (LCAs). This study has three primary objectives: first, to calculate a comprehensive set of experimental aquatic ecotoxicity CFs for PFASs utilizing the USEtox model (version 2.
View Article and Find Full Text PDFIntegr Environ Assess Manag
January 2025
Department of Environmental Toxicology, College of Agricultural and Environmental Sciences, University of California, Davis, CA, United States.
The herbicide oxyfluorfen [OXY; 2-chloro-1-(3-ethoxy-4-nitrophenoxy)-4-(trifluoromethyl)benzene] recently emerged as a potential solution to combat herbicide resistance in California rice. Proposed as a preemergent applied preflood to soil, products are in development for use with OXY-tolerant rice strains. Currently, OXY is not registered for use with rice and its use in or near aquatic resources is restricted due to its high aquatic toxicity.
View Article and Find Full Text PDFEnviron Sci Technol
January 2025
U.S. Environmental Protection Agency/Office of Research and Development, Durham, North Carolina 27711, United States.
Humans experience widespread exposure to anthropogenic per- and polyfluoroalkyl substances (PFAS) through various media, which can lead to a wide range of negative health impacts. Tap water is an important source of exposure in communities with any degree of contamination but routine or large-scale PFAS monitoring often depends on targeted analytical methods limited to measuring specific PFAS. We analyzed 680 tap water samples from the American Healthy Homes Survey II for PFAS using non-targeted analysis (NTA) to expand the range of detectable PFAS.
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