What to know about Zyn, the tiny nicotine pouch that's sparked a big health debate

A small nicotine pouch called Zyn is sparking big debates about the benefits and risks of new products from tobacco companies. Zyn is an oral pouch that contains nicotine powder and flavorings like mint, coffee and citrus. It's sold to adult tobacco users as an alternative to cigarettes and chew. But health advocates fear Zyn could be catching on with teenagers. Videos of young people popping the pouches have racked up millions of views on social media platforms. Here's what to know about Zyn.