By Michelle SpearWhen an 84-year-old man in Hong Kong went to hospital with an enlarged prostate, doctors were startled to see that his skin – and even the whites of his eyes – had turned silver-grey.

Devdutta Sangvai, former president of Duke Regional Hospital, was tapped by Gov. Josh Stein to lead the department as North Carolina’s 19th Secretary of Health and Human Services. Real-time ...