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		 good question...sorry to hear about your brother. 
 
The issue is being able to find it all, and what to do about it depending on where it is. 
They have new methods of approaching the issues now, i suspect in 10-15 years, most things will be cured fairly easily. Then we can worry about how to feed everyone for real. 
		
	
		
		
		
		
			
		
		
		
		
	
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