When 18-year-old Adam Hergenreder became violently ill, his doctors were quick to identify vaping as the likely culprit. Now his mother and doctor are warning others. Meanwhile, CDC officials are continuing to recommend that people refrain from using all e-cigarette and vaping products although the majority of people who have fallen ill used products containing THC and no specific component or substance has yet been determined as the cause. Read more: https://wapo.st/2oqYkGb. Subscribe to The Washington Post on YouTube: https://wapo.st/2QOdcqK Follow us: Twitter: / washingtonpost Instagram: / washingtonpost Facebook: / washingtonpost