and; but; or; were; was; finding; winding; coming; decay;
treatment; cause; error; what; which; however
On the other hand,we might be able to slow down
the aging process as a whole.We might be able to produce a drug [1] would actually stop the [2] down of the chemical watch spring.We could do this if it
[3] ultimately to turn out that there
is one particular kind of biochemical [4] which is the
root cause of all the others.Our chances of [5] such a treatment would,[6] ,depend on what kind of root [7] this was.It is not too difficult to imagine our finding a
[8] to help prevent free radical
damage,[9] to break up cross-linkages in
structural molecules,[10] if the
root cause of aging is error accumulation in DNA molecules,this would be much
more difficult to prevent.