What are the signs of cigarette addiction?

The signs of addiction to cigarettes include:

• Smoking more than seven cigarettes per day
• Inhaling deeply and frequently
• Smoking cigarettes containing nicotine levels more than 0.9mg
• Smoking within 30 minutes of awakening in the morning
• Finding it difficult to eliminate the first cigarette in the morning
• Smoking frequently during the morning
• Finding it difficult to avoid smoking in smoking-restricted areas
• Needing to smoke even if sick and in bed