According to the study, “nicotine dependence symptoms appear in many young tobacco users between the first exposure to nicotine and the onset of daily smoking. ”
Menurut penelitian itu, ” banyak perokok usia muda memperlihatkan gejala kebergantungan nikotin di saat antara mereka pertama kali merokok dan mereka mulai setiap hari merokok ”.