At any given time, a half dozen people sit in the waiting room at Affinia Healthcare in south St. Louis. Two parents coo over a new baby, while a group of older patients chat along the back wall.
53-year-old Keith Carter sits alone. An embroidered polo shirt and badge show he's just come from work.
"I seem fit. Inside, it's just breaking down like sawdust. I just keep it in motion," he said, as he waited to pick up a prescription to manage his diabetes..."
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