1.   Carril has been at Princeton so long that cigars have become fashionable again, although his have never left.

2.   Cigars have become a new source of peer pressure.

3.   Helping to drive the fashion are celebrities for whom a cigar has become an almost indispensable prop.

4.   The article in The New England Journal also concluded that cigars have become more popular because they have been glamorized in advertisements and in movies and television shows.

5.   The numbers of counterfeit cigars have multiplied over the last couple of years as cigars have become more popular.