Is a world without disease possible? A new wonder drug promises to liberate humanity from the burden of dementia. Some think it is a first step in a dangerous direction.
The ‘miracle’ drug that could halt dementia

Glossary
Alchemy - A science used in the Middle Ages. The aim was to turn things into gold.
Dementia - A syndrome associated with memory loss and other declining brain functions.
pathogens - An organism that causes disease to its host.
Baby boomer - A person born just after World War Two. There was an increase in the birth rate at the time.