 She says that these pills and creams have no scientific proof of being anti-aging supplements, and that the key to preserving our telomeres and stimulating telomerase activity comes from leading a healthy life.In recent years Blackburn and her colleagues have been investigating the effect of stress on telomerase and telomeres with particular emphasis on mindfulness meditation.She is also one of several biologists (and one of two Nobel Prize laureates) in the 1995 science documentary "Death by Design/The Life and Times of Life and Times".