It increases the blood sugar.  You have to make sure your blood sugar is not too low or not too high. If it becomes to high/low your health can become really bad. Yes, diabetes is harmful to your body because it can cause a heart disease, stroke, kidney damage, and nerve damage.
        
             
        
        
        
Is there an answer choice ? If so I can help!
        
             
        
        
        
D because if you have already tried one treatment and it caused a infection you would need to change it
        
             
        
        
        
Drugs that increase brain and body activities are called stimulants. 
Hope I helped! <3
        
                    
             
        
        
        
The answer is C) lifestyle diet