Quitting cold turkey is the best way to stop smoking, study finds03/16/2016 04:00People who quit smoking all at once are more likely to be successful than those who cut down on cigarettes gradually, according to a new study. People in the gradual quitting group reduced smoking habits by 75 percent over the span of two weeks leading up to an agreed quit date.But, a new study has today quashed that theory, instead offering evidence that suggests the best way to give up is to go cold turkey...