This is easy and I can readily embrace all that is said and give a why to the aging.<br/><br/>Phasic shielding kills them.<br/><br/>They are particle based life, like Chelemar has suggested, and they respond to empathic probes.  They have tried to imply pain and chaos to us based on us rolling in with our fancy energy hungry shield system.  It was the first thing that malfunctioned, but Dun over rode it, and the bugs were basically squashed for having gone after just those responsible for the phasic rift in their home space.  So they implied more change over the hosts of this bug squash-age and chose in a simple eni mini mo type o fashion.<br/><br/>Enter pure science in a way to tell scientifically what exactly we are dealing with and why the aging and youthful regressions are taking place, give an order to it for you all to spring board off of.<br/><br/>