The self-starving brain
Anorexia remains a deadly and mysterious illness. Could radical new brain treatments offer the possibility of a cure?
The longevity gap
Costly new longevity drugs could help the wealthy live 120 years or more – but will everyone else die young?
I went to Kenya to report on the lives of women living in poverty and I was given back the running I thought I’d lost
Against the grains
A carbs-rich diet has been blamed for the alarming explosion of obesity and chronic disease. What does the science show?
The great allies of infectious diseases are no longer poverty, nor dirt, but the global anti-vaccination movement
A woman who can’t weep
For centuries a woman’s tears have been the sign of her humanity. So what happens when they dry up altogether?
Each scar is different
PTSD has come to signify the moral, social and political suffering of war. But not all suffering is a mental illness
HIV of the mind
HIV is preventable, yet it’s still with us. Is it time for all, gay and straight, to stop framing sex as a lethal weapon?
The power of fat
Human fat cells can be used to regenerate damaged hearts and ageing joints. So should we start piling on the pounds?