EXCLUSIVE: Puppies secretly tested and killed at Ontario hospital for human heart research

London’s St. Joseph’s Hospital conducts controversial heart research using puppies, which are brought in from U.S. breeders and subjected to induced heart attacks before being euthanized for heart tissue analysis. Whistleblowers reveal that the process is hidden from the public, with claims of mistreatment and ethical concerns, despite the hospital asserting that animal welfare is prioritized.

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