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Mice with human brain cells offer a tool to study disease. Ethicists ask: What's next?

Society · en

Mice with human brain cells offer a tool to study disease. Ethicists ask: What's next?

NPR · Sep 16, 2026, 3:00 PM UTC

Neuroscientists have made a major advance in modeling the human brain in mice, offering a new way to study conditions like cerebral palsy. Ethicists ask if it changes how these mice should be treated.