Yes, they actually say "hamper"... My reaction: [sarcasm] Oh boo hoo! [/sarcasm]
E-cigarettes hamper sales of stop smoking products | Herald Scotland
So naturally the Scottish Public Health Minister says

E-cigarettes hamper sales of stop smoking products | Herald Scotland
Smokers are increasingly turning to e-cigarettes to beat the habit, with the market "booming" by 340% over the past year to reach an estimated £193 million in 2013, according to analysts Mintel.
Meanwhile, products to help smokers quit, such as gum, tablets and patches, have seen growth slow from annual increases of 6% to 10% between 2009 and 2012, to 1.7% last year, to reach a value to £131m.
So naturally the Scottish Public Health Minister says
