Using speed of ageing and “microlives” to communicate the effects of lifetime habits and environment

The author of this Christmas Feature has informed us that some of the results for women are incorrect in the table (BMJ 2012;345:e8223, doi:10.1136/bmj.e8223). For each subsequent drink (up to 6), the change in life expectancy (years) should have been −1.1 (not “−0.6”) and the change in microlives per day should have been −1 (not “−½”). For fruit and vegetable intake, the change in life expectancy should have been 2.7 (not “3.8”) and the change in microlives per day should have been 3 (not “4”).