Dirty habits die hard. Slightly less dirty habits don’t go any easier. A new, worldwide review of smoking cessation from 2014 to 2023 found the best way to quit cigarettes is to swap in nicotine-filled e-cigarettes. Progress? Evidence shows that nicotine-laden e-cigarettes were better at kicking butts than nicotine replacement methods such as patches, gums, lozenges and behavioral support — and more effective than e-cigarettes with no nicotine. But is it an improvement to jump from one nicotine-