Does Down syndrome need to be “cured?”

Jenn Power, Community Leader of L'Arche Cape Breton, mother of twin boys with Down syndrome, and—disclosure—Contrarian's daughter-in-law, had an interesting reaction to news that a Stanford University research team has made headway toward a potential treatment for the intellectual impairment that is one of Down's symptoms: She welled up with tears. The researchers probed the brains of mice genetically engineered to develop a rodent version of Down syndrome. They found that a region known as the hippocampus lacked a neurotransmitter that enables the brain to perform contextual learning. This is the process of gaining and applying knowledge in real-world situations—things like...