This latest Alzheimer’s drug breakthrough is reason for hope – and further funding

Researchers are a step closer to unravelling the cruel mystery of the dementia that afflicts my wife and so many others

In an age of excessive information, we have each developed a filtering system. To compensate, we acquire our own keywords, which pierce these systems, or, in the old parlance, make our ears prick up, be they the names of favourite teams, musicians, pastimes, conspiracy theories. Brexit.

In recent years, I have joined millions of others in acquiring the more unfortunate triggers of dementia" and Alzheimer's", but these keywords are not always the harbingers of bad news. Last week, the headlines linking them with others, such as breakthrough" and treatment", will have set many of us off into a frenzy of information-gathering.