While the Food and Drug Administration (FDA) has approved nicotine gum to help users quit smoking, many people wonder about ...

Josh Brolin shared that he uses nicotine pouches — and even sleeps with them. And as Brolin, 56, told Marc Maron on the Nov.

But, he adds, no studies have been done on the effects of the product early in pregnancy. If you've ever felt as though you were becoming hooked on nicotine gum, you might not have been imagining it.

Zyn has nicotine, which is addictive and increases heart rate. The pouches are not safer than cigarettes or vapes. Learn ...