Paradigm shift in understanding Alzheimer’s

Alzheimer’s research looks set to take a new direction, thanks to a US scientist asking a basic question: what does beta amyloid do?

Rather than adopting the accepted belief that the peptide, which accumulates in the brains of people with Alzheimer’s disease, is some form of pathological garbage, Dr Robert Moir noticed that beta amyloid is evolutionarily conserved.

Even coelacanths,