Answer:
He is suffering of  Transient global amnesia
, anterograde and retrograde amnesia. 
Explanation:
Transient global amnesia  is sudden and temporary loss in the memory. As the people having this problem can not store the new memories  and it can not be related with any common neurological problems. 
anterograde amnesia is the loss of  patient ability  to create new memories after the event  due to which amnesia occurs which will result in complete inability to recall the recent past event and memories. 
 Retrograde amnesia is the inability to recall past memories
 
        
             
        
        
        
The answer is True its mentioned that in 1999 they used it as a technique
        
                    
             
        
        
        
<span>Residual symptoms and disease burden can persist in remission and affect the quality of life of people who had a traumatic osteoarthritis.</span>
Post-traumatic osteoarthritis
        
             
        
        
        
Diverticula.........................