What’s my Alzheimer’s risk, and can I really do anything to change it?
A few years ago, my dad was diagnosed with Alzheimer’s disease, just like his older brother and his mum before him. Slowly, his personality began to ebb away. Now, at the age of 75, his cognitive decline is accelerating: he no longer recognises his granddaughters, for instance, and he lives in a near-constant state of…