Complex sentence: This loss of behavioral control due to brain impairment predisposes an individual to alcoholism and increases the risk of an abstaining alcoholic relapsing and additionally this impairment may result in long-term adverse effects on emotional behavior.
Split into simpler sentences: This loss of behavioral control due to brain impairment predisposes an individual to alcoholism and increases the risk of an abstaining alcoholic relapsing. This impairment may also result in long-term adverse effects on emotional behavior.