Answer:
Nicotine withdrawal has many symptoms, but the most characteristic and indicator of nicotine withdrawal is the intense craving for nicotine.
Step-by-step explanation:
The symptoms of cigarette withdrawal vary from person to person considering the level of addiction. Reactions are transient and tend to disappear within a few weeks.
Headache, irritability, difficulty concentrating, anxiety and sleep disturbance are some of the symptoms of cigarette withdrawal. This set of uncomfortable reactions, which may include increased appetite, sadness and even depression, is called nicotine withdrawal syndrome. The most common effect however which is a strong indicator of nicotine withdrawal is the intense craving for nicotine.