America shows what can happen: the number of workers aged 55 and over has increased by 3.2m since June 2009, points out Paul Marson of LombardOdier, a private bank.
"This is going to be very important because it is really the largest cox-2 study ever done, " says Bob Pooler, a drug industry analyst at the Swiss firm LombardOdier Darier Hentsch.