Explanation:

Here's your answer mate :

A ) Civilized life indicates that the flow of energy (prana) and space (mind) are at higher level (say at heart chakra);and conciousness (chethana) is at higher level. Civilization takescare of lifes energy which is higher than survival energy in true sense.

B ) You have drifted away from nature means you have sick because of eating too much of junk food .

Hope this helps you !