A group working out of Alberta Health Services’ Tom Baker Cancer Centre and the University of Calgary Department of Oncology has demonstrated that telomeres — protein complexes at the end of chromosomes — maintain their length in breast cancer survivors who practise meditation or are involved in support groups, while they shorten in a comparison group without any intervention. Although the disease-regulating properties of telomeres aren’t fully understood, shortened telomeres are associated with several disease states, as well as cell aging, while longer telomeres are thought to be protective against disease. “We already know that psychosocial interventions like mindfulness meditation will help you feel better mentally, but now for the first time we have evidence that they can also influence key aspects of your biology,” says Dr. Linda E. …