LONGITUDINAL STUDIES LOOKING at addiction risk have found three major pathways to it that involve temperamental traits, all of which can be seen in nascent form in young children. The first, which is more common in males, involves impulsivity, boldness, and a desire for new experience; it can lead to addiction because it makes it hard for people to control their own behavior. The second, which tends to be seen more in women, involves being sad, inhibited, and/or anxious. While these negative emotions can also deter experimentation, when they do not do so, people may find themselves on a
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