39 taking as little medication as possible
        
             
        
        
        
Stimulants <span>like cocaine and amphetamines, affect a persons perception, mood and attention span, and can make the person over-confident and more likely to take risks behind the wheel.</span>
        
             
        
        
        
Do you have any choices ?
        
             
        
        
        
Explanation:
Psychological is the correct answer!