A Venous duplex ultrasound of the clients right leg
        
             
        
        
        
Cold can be caused by cold weather out side and the flu u can get from other people that are sick or bad living enviroments or rotton food 
        
             
        
        
        
Nail biting happens Because people have anxiety. The nail biting relieves stress, tension, and or boredom.
Hope this helps
~QueenSupreme aka Black-Rose♥