ArticleScientific reports2025
Cancer risk from heavy metal contamination in fish and implications for public health.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Chelation treatment in a novel sub-toxic multi-metal model in rats.Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2026Article
- Bioaccumulation of Total Mercury (THg) in Freshwater Fish-Perch (Perca fluviatilis L.) and rudd (Scardinius erythrophtalmus L.)-Human Health Risk Assessment.Bulletin of environmental contamination and toxicology · 2026Article
- Sex-Based Variations in Metal(loid) Levels in Green Tiger Shrimp (Life (Basel, Switzerland) · 2026Article
- Bioaccumulation of toxic and essential elements and enzymatic responses in native fish from the middle Tocantins River.Scientific reports · 2026Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This study evaluates heavy metal contamination in fish and its associated health risks, focusing on the implications for global public health. Fish samples were analyzed using advanced techniques, including Inductively Coupled Plasma-Mass Spectrometry (ICP-MS), Atomic Absorption Spectroscopy (AAS) with a hydride generator for arsenic, and a mercury analyzer. Results revealed significant contamination levels, with arsenic concentrations ranging from 0.9 ± 0.1 to 3.2 ± 0.2 mg/kg (mean: 2.24 ± 0.76 mg/kg), exceeding the WHO limit of 2 mg/kg in 75% of samples. Mercury concentrations (mean: 1.4917 mg/kg) surpassed the WHO limit of 0.5 mg/kg in all samples, while cadmium levels sometimes exceeded permissible limits. Statistical analysis indicated substantial variability in metal concentrations among samples, supported by Principal Component Analysis and Pearson's correlation, identifying distinct pollution patterns and sources. Health risk assessments showed significant non-carcinogenic and carcinogenic risks, particularly for children. Arsenic, chromium, and mercury presented hazard quotients exceeding safe thresholds, with cumulative hazard indices confirming elevated risks (HI = 14.5 for adults, 44.1 for children). The findings suggest the pressing need for global strategies to monitor and manage heavy metal pollution in aquatic ecosystems.
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Registered trials
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