21.   Overuse injuries result from repeated microtrauma, causing inflammation and sometimes tissue damage.

22.   Repeated tissue damage that is not given the opportunity to heal can result in hairline fractures, inflamed joints and muscles, strained ligaments and torn or inflamed tendons.

23.   Scientists are trying to harness those cells and determine if they have the same potential as embryonic stem cells do to repair tissue damage.

24.   Some of the most accurate information about tissue damage and death due to exposure to cold comes from Nazi experiments on concentration camp inmates.

25.   The good news is, the findings may pave the way for drugs, called chemoprevention agents, that actually reverse lung tissue damage on the molecular level.

26.   These may pass through the filter system and lodge in the lungs, causing irritation and tissue damage.

27.   They saw much more inflammation and signs of tissue damage in those exposed to the industrial pollution collected when the mill was running.

28.   Though Wagner suffered a concussion and tissue damage to his ear, he has no broken bones and could return in one to two weeks.

29.   Bullimore spent two hours in a decompression chamber to boost oxygen in his blood as a way of reversing tissue damage from the cold.