cigarette supply chain Understanding the tobacco Value chain

A shorter duration (e.g., 15 minutes) results in less absorbed nicotine than a longer one (e.g., 45 minutes)

Additionally, the variety of designs of rolling papers has been a significant contributor to this rise in popularity

Associated Press writers Deepti Hajela in New York and Michael Felberbaum in Richmond, Va., contributed to this report.

BESIDE THE POINT By David Beard Photos of the month: Spring blooms, ballet, and school sports championships: Take a look at what the Globes photographers captured over the past month

CADR (Clean Air Delivery Rate) What it is: The volume of clean air (in cubic feet per minute) a purifier delivers after passing through the filter