_ Aging Well Healthy Diet & Nutrition Are You as Old as What You Eat? By Sondra Forsyth article Researchers from University College London (UCL) have demonstrated how an interplay between nutrition, metabolism, and immunity is involved in the process of aging. The two new studies, supported by the Biotechnology and Biological Sciences Research Council (BBSRC), could help to enhance our immunity to disease through dietary intervention and help make existing immune system therapies more effective.