this study failed to provide preliminary information on one single cut-off
for heavy gaming which serves as a risk line for long term negative consequences. Instead, this
study provides a mixed picture: adolescent heavy gaming may be a significant predictor for less
marijuana use, less obesity and better general health in young adulthood; on the other hand,
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playing video and computer games at least 21 hours per week predicts a higher rate of high
school dropout and possible conduct disorder; and playing video and computer games at least 42
hours per week predicts higher likelihood of depression in young adulthood.