/tags/reasoning reasoning en-US Copyright Mon, 04 Nov 2013 17:03:05 GMT /health-science-tech/2013-11-04/vital-signs-a-sharper-brain-may-mean-leaving-the-comfort-zone In this week’s installment of Vital Signs, a new study challenging the idea of simply staying active and engaged to keep aging minds sharp. Researchers at… Mon, 04 Nov 2013 17:03:05 GMT /health-science-tech/2013-11-04/vital-signs-a-sharper-brain-may-mean-leaving-the-comfort-zone Sam Baker