Latest USC Dornsife News in the Topic National Institute Of Environmental Health Sciences http://dornsife.usc.edu/news/topics/35723/national-institute-of-environmental-health-sciences/ When the body fights oxidative damage, it calls up a reservist enzyme that protects cells — but only if those cells are relatively young, a study has found. Biologists at USC discovered major declines in the...]]> Thu, 1 Sep 2011 08:58:00 -0500