Are night shifts bad for you?

Lucy Atkins: The Danish government has just begun compensating women who have developed breast cancer after years of working nights

The butts stop here

There are always good reasons to stop smoking, but the economic conditions make this year the ideal time to stub it out, says Laura Howard

Calm? Why should I be calm?

Julian Baggini: There's far too much emphasis on being happy these days. Anger is vital too. It could even, say scientists, help our careers

Eyes wide shut

Large doses of caffeine may help ward off drowsiness as you cram in some extra revision but the side effects can damage your brain, body and performance