Research Keyword: Heavy metal exposure

Mitigating nickel-induced toxicity: the protective role of native probiotic strains on oxidative stress and inflammatory pathways in mice lung tissues

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This study examined how probiotic bacteria can protect lung tissue from damage caused by nickel exposure. Researchers gave mice nickel to cause oxidative stress and inflammation, then treated them with beneficial bacteria from four probiotic strains. The probiotics successfully reduced oxidative stress markers and inflammatory responses in the lung tissue by activating protective genes and deactivating inflammatory genes. This research suggests that probiotics could be a natural way to prevent lung damage from heavy metal exposure.

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Heavy Metal-Contaminated Soils and Gastric Cancer Risk: Molecular Insights and the Relevance of a One Health Perspective

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Heavy metals like cadmium, arsenic, and lead contaminate agricultural soils and accumulate in crops such as rice and vegetables, which people consume as part of their daily diet. These metals damage stomach cell DNA and trigger inflammation, increasing cancer risk, especially when combined with bacterial infections like H. pylori. A comprehensive approach monitoring soil quality, crop safety, and human health together can help prevent this disease and protect communities from contamination.

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Heavy Metal Poisoning and Its Impacts on the Conservation of Amazonian Parrots: An Interdisciplinary Review

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Amazonian parrots face a serious but often invisible threat from heavy metal poisoning caused by illegal mining, agriculture, and urban waste. These toxic metals accumulate in the birds’ bodies over their long lifespans, causing brain damage, kidney failure, and reproductive problems that threaten entire parrot populations. The review calls for urgent action including stopping illegal mining, cleaning contaminated areas, and protecting forests to ensure these important seed-dispersing birds survive.

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Mercury Content in Three Edible Wild-Growing Mushroom Species from Different Environmentally Loaded Areas in Slovakia: An Ecological and Human Health Risk Assessment

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Researchers tested three types of edible mushrooms from 60 locations across Slovakia to measure their mercury content and potential health risks. Mushrooms grown in polluted soils, especially former mining areas, accumulated dangerous levels of mercury, particularly in the mushroom caps. The study found that while some mushroom species are safer than others, consuming mushrooms from contaminated areas could pose serious health risks to both adults and children.

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Diet and Blood Concentrations of Essential and Non-Essential Elements among Rural Residents in Arctic Russia

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Indigenous Arctic residents who eat traditional foods like fish and hunted game get important nutrients but may also absorb toxic metals like mercury, arsenic, and lead. This study of Russian Arctic communities found that eating different fish species and hunted goose was linked to higher levels of these metals in the blood. Interestingly, selenium from fish appeared to help protect against mercury toxicity, though the metals still warrant concern.

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