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  Put down that energy drink!
                
                        You don't need it with these tips on how to stay energized throughout the day from CNN Chief Medical Correspondent Dr. Sanjay Gupta.
                    
                            
                                1:11
                            
                             • Source:
            
                CNN
    
                    
                
      
          Living to 100
      
      16 videos
    
    
















