Reducing tobacco-related harm: FDA's proposed product standard for smokeless tobacco.

This Special Communication discusses the Food and Drug Administration's (FDA's) proposed rule that would limit N-nitrosonornicotine (NNN) levels in smokeless tobacco products. It argues that finalising and implementing this first 'product standard' would mark a significant step forward in the FDA's efforts to reduce tobacco-related harms. © Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2018. All rights reserved. No commercial use is permitted unless otherwise expressly granted.