Astronauts Exercise So 0 Gravity Doesn't Cause __

This page is the CodyCross answer for the clue below from The 90s, Group 1140, Puzzle 5 (Hubble Telescope).

Question is: Astronauts Exercise So 0 Gravity Doesn't Cause __

and the answer is: ATROPHY

Word Meaning:

ATROPHY — (pathology) A reduction in the functionality of an organ caused by disease, injury or lack of use.

Definitions from Wiktionary.

Astronauts exercise so 0 gravity doesn't cause __ — CodyCross Answer | CodyCross Solutions