The FDA's proposed rule would slash nicotine levels in cigarettes, most cigars and other combustible tobacco products, but not vapes, hookahs or Zyn.

If finalized, the change would mean that cigarettes would lose their ability to hook most people into addiction.

Nicotine is the primary addictive chemical in tobacco products that keeps people using them – even if they want to or have tried to quit,” King said. “By reducing the amo