Get the ow factor

Why can some people tolerate far more pain than others? Emma Young investigates

Miracle worker

Divine intervention or placebo effect? Laura Spinney talks to the live-in doctor at Lourdes

‘We just had to act over Aids’

Activists are quick to attack big drug companies, but Hank McKinnell, the Pfizer boss, says he is doing what he can to fight HIV. Sarah Boseley asks if that is true.