Diane Mapes goes beyond the alarming headlines about teen vaping deaths to explain the risks, public policies, and research to address the problem. For Hutch News Stories, Diane writes about a smartphone app developed at Fred Hutch (@fredhutch) to help teens and young adults give up e-cigarettes. Diane writes regularly for Fred Hutch, blogs at doublewhammied.com and tweets at @double_whammied. image: Connor Danylenko