In the experiment, reported in the journal Nature, the tobacco leaves that were eaten by unaltered caterpillars had about one-quarter less nicotine than the others.

Cavendish discovered that dipping tobacco leaves in sugar produced a more mild and mellow smoke.

Another cigar roller, Yarima, explained between finishing one cigar and reaching for the tobacco leaves to make the next one.

Despite his small size, he proved a valuable employee because he could climb up the poles to get the tobacco leaves without having to use a ladder.

You put tobacco leaves on top of each other and you let it sweat.

The lanky lawman spat wet tobacco leaves on the floor at his feet and added, "I don't see any warrant in your hand, Tim."

Often tobacco workers carried wet tobacco leaves under their arms or worked in the rain or early-morning dew.

They state that thousands of farmers in the United States, alone, make their living from raising tobacco leaves for use by the industry.

Here, the Lorillards ground their tobacco leaves with their own rose petals for a custom blend of snuff.

The process begins by pressing the tobacco leaves into a cake about an inch thick.