NIH funds grantees focusing on epigenomics of human health and disease
http://www.nih.gov/news/health/sep2009/od-16.htm
"The National Institutes of Health announced today that it will fund 22 grants on genome-wide studies of how epigenetic changes -- chemical modifications to genes that result from diet, aging, stress, or environmental exposures -- define and contribute to specific human diseases and biological processes."