
A drug that destroys the characteristic protein plaques that build up in the brains of patients with Alzheimer's is showing "tantalising" promise, scientists say.
Experts are cautious because the drug, Aducanumab, is still in the early stages of development.
But a study in Nature has shown it is safe and hinted that it halts memory decline.
Larger studies are now under way to fully evaluate the drug's effects.
The build-up of amyloid...