Instagram documents rising hookah use

Social media is giving researchers insight into the rising use of hookah, according to a study. Hookah, smoked through a water pipe and also known as shisha, has harmful health effects similar to cigarettes. But as cigarette use declined between 2005 and 2015 in the US, hookah use increased. New data from social media documents thousands of people using hookah in social settings and nightlife establishments using social media to promote hookah use.

(via WSJ)