John Than

ORCID: 0000-0003-0656-1899
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About
Contact & Profiles
Research Areas
  • Noise Effects and Management
  • Vehicle Noise and Vibration Control
  • Hearing Loss and Rehabilitation
  • Air Quality and Health Impacts
  • Heavy Metal Exposure and Toxicity
  • Mercury impact and mitigation studies
  • Acoustic Wave Phenomena Research
  • Ocular and Laser Science Research
  • Indoor Air Quality and Microbial Exposure
  • Skin Protection and Aging
  • Toxic Organic Pollutants Impact
  • Diverse Musicological Studies
  • Sleep and related disorders
  • Health Systems, Economic Evaluations, Quality of Life
  • Global Cancer Incidence and Screening
  • Advanced Battery Technologies Research
  • Social Acceptance of Renewable Energy
  • Economic and Financial Impacts of Cancer

Statistics Canada
2021-2023

Health Canada
2015-2020

Flinders University
2018

The University of Adelaide
2018

Bolder Biotechnology, Inc.
2000

Health Canada, in collaboration with Statistics and other external experts, conducted the Community Noise Study to better understand impacts of wind turbine noise (WTN) on health well-being. A cross-sectional epidemiological study was carried out between May September 2013 southwestern Ontario Prince Edward Island 1238 randomly selected participants (606 males, 632 females) aged 18-79 years, living 0.25 11.22 km from operational turbines. Calculated outdoor WTN levels at dwelling reached 46...

10.1121/1.4942391 article EN cc-by The Journal of the Acoustical Society of America 2016-03-01

The possibility that wind turbine noise (WTN) affects human health remains controversial. current analysis presents results related to WTN annoyance reported by randomly selected participants (606 males, 632 females), aged 18–79, living between 0.25 and 11.22 km from turbines. levels reached 46 dB, for each 5 dB increase in levels, the odds of reporting be either very or extremely (i.e., highly) annoyed increased 2.60 [95% confidence interval: (1.92, 3.58), p < 0.0001]. Multiple...

10.1121/1.4942390 article EN cc-by The Journal of the Acoustical Society of America 2016-03-01

Living within the vicinity of wind turbines may have adverse impacts on health measures associated with quality life (QOL). There are few studies in this area and inconsistent findings preclude definitive conclusions regarding impact that exposure to turbine noise (WTN) QOL. In current study (officially titled Community Noise Health Study or CNHS), World Organization QOL-BREF (WHOQOL-BREF) questionnaire provided an evaluation QOL relation WTN levels among randomly selected participants aged...

10.1016/j.envres.2015.06.043 article EN cc-by-nc-nd Environmental Research 2015-07-11

The current study was the first to assess stress reactions associated with wind turbine noise (WTN) exposure using self-reported and objective measures. Randomly selected participants, aged 18–79 yr (606 males; 632 females), living between 0.25 11.22 km from turbines, were exposed outdoor calculated WTN levels up 46 dBA (response rate 78.9%). Multiple regression modeling left great majority (77%–89%) of variance in perceived scale (PSS) scores, hair cortisol concentrations, resting blood...

10.1121/1.4942402 article EN cc-by The Journal of the Acoustical Society of America 2016-03-01

The Community Noise and Health Study conducted by Canada included randomly selected participants aged 18–79 yrs (606 males, 632 females, response rate 78.9%), living between 0.25 11.22 km from operational wind turbines. Annoyance to turbine noise (WTN) other features, including shadow flicker (SF) was assessed. current analysis reports on the degree which estimating high annoyance (HAWTSF) improved when variables known be related WTN exposure were also considered. As SF increased [calculated...

10.1121/1.4942403 article EN cc-by The Journal of the Acoustical Society of America 2016-03-01

Prenatal exposure to total mercury (T-Hg) comes from both natural and anthropogenic sources. T-Hg can cross the blood-brain placental barriers, may be associated with future neurological physiological dysfunctions. Scalp hair is an optimal non-invasive indicator of chronic exposure. As part Maternal-Infant Research on Environmental Chemicals (MIREC) Study, samples 350 women were collected within weeks after giving birth, determine temporal variations in levels preconception delivery, compare...

10.1016/j.chemosphere.2020.128402 article EN cc-by-nc-nd Chemosphere 2020-09-24

It has been extensively communicated that Health Canada's Community Noise and Study (CNHS) did not find positive associations between wind turbine noise (WTN) levels any of the evaluated health outcomes, beyond an increase in prevalence high annoyance toward several features. The authors emphasize this general conclusion remains bound by study strengths limitations. Following publication CNHS findings, there interest among some individuals to present alternative interpretations results...

10.1007/s40857-017-0125-4 article EN cc-by Acoustics Australia 2018-02-01

This study assessed the use of and exposure to handheld laser devices by Canadians potential associated health risks.The 2019 Canadian Community Health Survey collected data from 12,397 on prevalence or use, eye skin injuries.In 2019, an estimated 12.4% (95% CI: 11.4% 13.4%) reported using a device being exposed its beam in previous year, those between ages 12 17 represented 30.5% 26.6% 34.4%) users. The highest was among with university education (13.8%; 95% 11.8% 15.8%), significant trend...

10.25318/82-003-x202100800002-eng article EN PubMed 2021-08-18

Prenatal exposure to mercury (T-Hg) comes from both natural and anthropogenic sources. T-Hg can cross the blood-placental barrier, transfer mother fetus, may be associated with future neurological (memory loss, personality changes, deafness vision attenuation of IQ) physiological (delays in walking talking, tremors convulsions) dysfunctions. Hair is an optimal non-invasive indicator chronic exposure. On average, scalp hair grows about 1.1 cm per month. As part Maternal-Infant Research on...

10.1289/isesisee.2018.p03.3230 article EN ISEE Conference Abstracts 2018-09-24
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