In an accompanying editorial, Dr Mary Tierney, an expert in geriatric research at the Sunnybrook And Women's College Health Sciences Center, Toronto, Canada, points out that the UCSF team did not use the most sensitive tests available.
Research published a few years ago by Donald Redelmeier and Sheldon Singh, of Sunnybrook and Women's Hospital in Toronto, showed that Oscar-winning actors and actresses live 3.6 years longer than those who are nominated, but do not win.