Research shows that people are actually aware of the health risks and problems caused by this behavior. Most also realize how much money they are spending on their habit. One of the reasons people continue to do so is to avoid withdrawal symptoms which can be very difficult. Withdrawal can cause physical and emotional changes. Withdrawal symptoms are signs that your body is healing and trying to get used to living without it. On average, most withdrawal symptoms disappear within two to four weeks, but some users may experience them for a few weeks longer. Research has shown that doing this is as addictive as using heroin. What is this mysterious object? Cigarettes. Smoking them causes the American population to decrease every day. Why don't we stop? Seven out of ten adults who did this wanted to stop, but couldn't. Half the people who do it are killed by it, but it's easier to start than to quit smoking. Furthermore, it has been shown that passive smoking can also pose greater health risks. Smoking is a major cause of presentable diseases and death worldwide. You can get help to quit smoking from your doctor or pharmacist. Clearly, smoking is a dangerous habit and should be avoided altogether