Telomere length (ratio) and years since their child's diagnosis with chronic illness.
Usage
data(Telomeres)
Arguments
source
Epel, E.S., E.H. Blackburn, J. Lin, F.S. Dhabhar, N.E. Adler, J.D. Morrow, and
R.M. Cawthon. 2004. Accelerated telomere shortening in response to life stress.
Proceedings of the National Academy of Sciences (USA) 101: 17312-17315.