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#Toxicology3

Lake Erie algal blooms produce many toxic compounds (Level B2) — gloved hands drawing vaccine from vial with syringe
30 May 2026

Lake Erie algal blooms produce many toxic compounds

A study of western Lake Erie finds harmful algal blooms make a wider range of bioactive cyanopeptides beyond microcystin. Scientists sampled lake water across seasons, linked compounds to bacteria, and found mixtures can increase cellular toxicity.

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Photo by National Cancer Institute, Unsplash

Low pesticide exposure speeds aging in fish (Level B2) — a couple of fish swimming next to each other
21 Jan 2026

Low pesticide exposure speeds aging in fish

Researchers found that long-term exposure to low levels of a common agricultural insecticide caused faster physiological aging and shorter lifespans in wild and laboratory fish. The study links telomere shortening and lipofuscin buildup to chlorpyrifos exposure.

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