<p>Dr Sean Leng and the Johns Hopkins-SunInflam team land a $1 million XPRIZE Healthspan Milestone 2 award for aging research. Part of a&#160;ten-part series&#160;profiling each of the $101 million&#160;XPRIZE Healthspan competition’s Milestone 2 Awardees. Across the series, Longevity.Technology examin</p>