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The numbers are impressive: 27 billion cigarette packs (per year)

Celebrity Sales Pitches Countless movie stars and celebrities have promoted smoking in ads and commercials, so it's not surprising that some suffered smoking-related cancers and other ailments, such as (clockwise from top left) Betty Grable (lung cancer), Spencer Tracy (heart disease), Barbara Stanwyck (congestive heart failure), Louis Armstrong (heart attack), Susan Hayward (lung and brain cancer), and John Wayne (lost a lung to cancer)

The previous record stood at just over five pounds, but Chong, along with world-class rollers Dawn "Grasshoppa" Doan and June Da Goon, champions of both the World Rolling Championship and the National Joint League, achieved the unimaginable with a 23.36-pound blunt containing a colossal 21 pounds (9,555g) of marijuana

"The effects can't be anything other than detrimental." CNBC's Sonia Heng and Evelyn Cheng contributed to this report.