From pandemics to wildfires, the past few years have given us all too much to think about. Add doom-scrolling and automatic refreshing and flicking between screens – no wonder many of us are distracted, or even forgetful. What's the difference between this, and mild cognitive impairment presaging the ultimately fatal cognitive decline of Alzheimer's disease?
Until recently, there was no way to say for sure if you were on the way to AD until someone had a peek at your cold, dead brain.
