One of the most difficult issues about dementia, particularly in developed countries like the UK and the USA is whether we should attempt to diagnose it as soon as possible.
There are two lobbies that want to make the diagnosis of dementia earlier and earlier. In one corner are the pharmaceutical companies. The sooner you know you’ve got Alzheimer’s the sooner they can sell you some medication. This sounds cynical, but you could look at it as saying that the sooner you know, the sooner you can start to get clinical benefits from what medication is available, if you have the specific conditions that the medication is limited for. In addition, the sooner you know, the more helpful you can be in helping with research into the condition.
Read more about this here