Answered

Which is true of a smoking cessation class? It will help identify “triggers” for cigarette cravings. The majority of people are smoke-free a year after completing it. It has been proven as the most effective way to quit smoking. It is only recommended to people who have failed to quit smoking using other methods.

Answer :

"It will help identify “triggers” for cigarette cravings" is the best answer, although it should be noted that people have different reactions to these classes. Sometimes they don't work.
Erudite1

The statement, which is true of smoking cessation class is this: IT WILL HELP IDENTIFY TRIGGERS FOR CIGARETTE CRAVINGS.

Smoking cessation class is a class that is tailored towards stopping tobacco smoking. Many smokers will like to stop smoking and few have actually attempted it unsuccessfully. Smoking cessation class helps smokers to successfully quit smoking by using diverse strategies. For these strategies to be successful, the class usually involves identifying individual factors, which trigger people to indulge in the habit of smoking.