For the public
Our Cochrane systematic review showed no clear evidence that cutting down first was a bad idea, but there were not enough trials to be sure.
> Read the review here (includes an easy-to-read summary)
Our research trial showed that cutting down first reduced success rates, because people struggled to cut down even with the help of nicotine replacement therapy and doing so deterred people from trying to quit.
> Trying to quit cigarette smoking by cutting down or stopping abruptly - a summary for patients