While one person dabbles in drugs with few ill-effects, another will become a chronic addict. What's the difference?
Crowdfunding might catapult promising cancer treatments into clinical trials, but can it make a real difference?
A flowered planet
For all their intricate symbolic force, from the Paleolithic to today's herbalism, plants are still a deep mystery to us
An unexpected fix
Mucking out the pigs together can be just as helpful to recovering addicts as a 12-step programme or medical treatment
The human race
Prosthetics, doping, computer implants: we take every upgrade we can get. But what is waiting for us at the finish line?
A new generation of researchers is heading into the weird world of psychedelic drugs. It could change their minds