The authors investigated the fertility of male and female rats exposed to a unique-design electromagnetic apparatus (Hivex Electromagnetic Field System-5 [EMFS-5]), which establishes an omni-directional, spatial field and has a wide band range of 100 MHz-3 GHz. We used 32 male and 32 female rats that were proven breeders. Sixteen rats from each sex were exposed to the EMFS for 8h/day for 10 days. The others were sham exposed. The rats were divided into the following 4 groups: in group AG1-AG8, males and females were exposed; in group AG9-AG16, only females were exposed; in group AG17-AG24, only males were exposed; and in group AG25-AG32, males and females were sham exposed. After exposure for each group, a male rat was cohabited with a female rat until parturition. The authors' results showed that except for 1 male, the fertility of all other rats was not affected. They did not see differences in reproductive ability (latency to parturition, litter size, number of male/female pups, male-to-female ratio, mass of pups at weaning) between experimental groups and the sham exposed group. The authors concluded that exposure of male and female rats to the Hivex EMFS-5 does not affect fertility or reproductive ability.
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http://dx.doi.org/10.3200/AEOH.64.2.93-100 | DOI Listing |
Noise Health
January 2025
Department of Pain, Qingdao Municipal Hospital, Qingdao, China.
Objective: This study aimed to explore the relationship between occupational noise exposure and renal dysfunction in male workers.
Methods: A total of 160 male workers (the number of people who met the inclusion criteria) who underwent health examinations in Qingdao Municipal Hospital from January 2023 to December 2023 were grouped into a noise group (80 cases) and a control group (80 cases) based on whether they engaged in noise work. We compared the differences in creatinine (CREA), cystatin C (CysC) and blood urea nitrogen (BUN) levels between the two groups.
Background: Noise-induced hearing loss (NIHL) in children is a growing public health concern due to increased exposure to high noise levels in various environments. Early intervention is crucial to prevent long-term developmental and social impacts. This study evaluates the effectiveness of earmuffs as a protective intervention in managing NIHL in children.
View Article and Find Full Text PDFNoise Health
January 2025
School of Public Health, Anhui University of Science and Technology, Huainan, Anhui, People's Republic of China.
Objectives: This study aims to investigate the relationship between noise kurtosis and cardiovascular disease (CVD) risk while exploring the potential of kurtosis assessment in evaluating CVD risk associated with complex noise exposure in coal mines.
Methods: This cross-sectional study started in April 2021 and ended in November 2022. It involved 705 coal miners selected from 1045 participants.
Noise Health
January 2025
MGEN Foundation for Public Health, Paris, France.
Objective: Besides psychosocial stressors, teachers are exposed to disturbing noise at work, such as students' irrelevant speech. Few studies have focused on this issue and its health consequences. We explored occupational noise exposure among teachers within the French workforce and analyzed how noise and work-related stress are related to their health.
View Article and Find Full Text PDFNoise Health
January 2025
School of Medicine, National Yang Ming Chiao Tung University, Taiwan.
Objective: This study investigated the long-term health risks associated with occupational noise exposure. By using 9 years of health examination data from a major manufacturing company in Taiwan, this study compared the health indices of employees in noise-intensive and non-noise-intensive work environments.
Methods: A retrospective analysis of 6278 health examination reports spanning 9 years was conducted to compare 20 health indices among 166 employees evenly distributed between noise-intensive and non-noise-intensive workgroups.
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