Search Results 1-1 of 1 for ���������������������katalk:po03���������������������,������������������,������������������,������������������

1. Smokers' Brains Change in Response to High Levels of Nicotine - Mayo Clinic News Network

   In addition, low�levels of nicotine lead to symptoms of nicotine withdrawal, such as strong cravings for a cigarette, anxiety, irritability, restlessness, difficulty concentrating, depressed mood, frustration, anger, increased hunger...