This column will change your life: but is it contagious?

Why do we recoil from some ideas as if to embrace them might be catching? By Oliver Burkeman

Vitamin pills can lead you to take health risks

Ben Goldacre: Trials show that people who think they've done something healthy, even if they haven't, smoke more and believe they are invulnerable to diseases

This column will change your life: Should memory boxes be given the boot?

If you keep every object from your past as proof of your existence, read Oliver Burkeman's column right now

Miller Mair obituary

Clinical psychologist who fought against 1950s orthodoxy

This column will change your life: Clocking off

Is it time to go to the pub now, asks Oliver Burkeman

This column will change your life: Poverty and willpower

Oliver Burkeman asks whether the 'psychic costs' of resisting temptation are heavier if you're poor

Tanya L Chartrand: Botox impairs our ability to relate to others

Neuroscientist Tanya L Chartrand explains to Ian Tucker how using Botox to paralyse facial muscles harms our ability to empathise

Bring back the night – your health and wellbeing depend on it

Professor Russell Foster: Our 24/7 society has invaded the night, replacing a biological order honed by millions of years of evolution with an illusion