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Cyanobacteria Toxin in Dolphins Raises Alzheimer's Concerns

10/16/2025

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Summary

Story summary

Dolphins washing up along Florida's shores contained a cyanobacteria toxin linked to Alzheimer's-like brain damage.
Analysis of 20 dolphins from the Indian River Lagoon found toxin levels 2,900 times higher during peak algae season.
The toxin correlated with Alzheimer's signs in the dolphins' brains.
Experts warn cyanobacterial blooms could affect health, especially in Miami-Dade County where 2024 Alzheimer's cases were highest.
Residents should avoid water exposure during blooms.

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Story summary

Dolphins washing up along Florida's shores contained a cyanobacteria toxin linked to Alzheimer's-like brain damage.
Analysis of 20 dolphins from the Indian River Lagoon found toxin levels 2,900 times higher during peak algae season.
The toxin correlated with Alzheimer's signs in the dolphins' brains.
Experts warn cyanobacterial blooms could affect health, especially in Miami-Dade County where 2024 Alzheimer's cases were highest.
Residents should avoid water exposure during blooms.