Nightly News   |  January 10, 2012

Up in smoke: nicotine gum and patches

A new study by researchers at the Harvard School of Public Health says nicotine gum and patches may not help people quit smoking after all. NBC’s Brian Williams reports.

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This content comes from Closed Captioning that was broadcast along with this program.

>>> nicotine gum and nicotine patches are under scrutiny tonight. millions of people use them, of course, to help quit smoking including notably, the president of the united states . but a new study by researchers at the harvard school of public health and university of massachusetts concludes they have no lasting benefit. in other words, they don't help smokers who quit stay quit. the researchers say using gums and patches is no more effective long term than quitting without them, though a whole lot of people have had success with them, including the president of the united states .