The box that they come in suggests that one refill cartridge is equal to 25 cigarettes (traditional cigarette packs come in 20 count)
[31] Rockwell never flew in combat, but was considered a good pilot and an efficient officer
"There are now 30% more people who are obese than who are undernourished," said the UCSF scientists

Common symptoms of nicotine withdrawal include: Cigarette/nicotine cravings Cravings may last longest of all the withdrawal symptoms Knowing triggers for smoking can help quitters plan to deal with cravings Common triggers include: Emotional: these are intense emotions that cause you to want to smoke such as stress, anxiety, or even boredom Pattern: an activity that is connected with smoking in your life such as drinking alcohol, talking on the phone, driving, or after sex Social: occasions in which you smoke, usually with others such as at a bar, party, or concert Physical withdrawal: this is the body withdrawing from nicotine, which can involve feeling restless or having other withdrawal symptoms or needing to do something with your hands or mouth Feeling down or sad Problems sleeping Irritability Feeling on edge Problems thinking clearly and concentrating Restlessness Slower heart rate Increased hunger/appetite Weight gain Depression From Smoking Cessation Resources References

In fact they have a great share of the African American market to this day