For people with Down syndrome, a longer life, but under a cloud

Carli Binek is participating in a study tracking biological changes in the brains and bodies of adults with Down syndrome to identify the biomarkers that might herald the onset of Alzheimer’s disease. (Whitney Curtis for The Washington Post)
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Karen Gaffney is not afraid of challenges. Born with bum hips, she became an accomplished swimmer, crossing Lake Tahoe solo and the English Channel as part of a relay team. She started a foundation to champion people with disabilities, giving motivational speeches. She works for a law firm four days a week.