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- The FDA rejected Neuralink's request for approval to begin testing its brain chips in humans, Reuters reported.
- The agency cited dozens of issues with the device, including concerns it could overheat or move in the brain.
- Elon Musk has been promising the company will soon begin testing on humans since 2019.
Neuralink's attempt to receive approval from the US Food and Drug Administration was rejected last year, according to a new report from Reuters.