Hi, this is Your Health Quickly, a scientific American podcast series.

We bring you the latest vital health news, discoveries that affect your body and your

mind.

And we break down the medical research to help you stay healthy.

I'm Tony Lewis.

I'm Josh Fishman.

We are a scientific American senior health editors.

Today we're talking about a bunch of new blood tests for Alzheimer's disease.

There are a lot easier than existing diagnostics, but they may not always indicate disease.

And some doctors warn that there are still a lot of questions about treatment.

So Alzheimer's.

About 6 million people in the US are afflicted by this type of dementia.

It is a thief of minds, a destroyer of memories, and it's a killer with no cure.

I've known people who've had it, and it's scary to see what it does.

How about you?

I've also known someone close to me who has Alzheimer's, and it is a really devastating

disease.

I mean, it really takes away a sense of your identity and self, and really a part of your

personality to have this disease.

So it's hard to watch somebody go through that.

Yeah, the thing that you said about like losing your identity, losing your memories of

yourself and of the people around you, is just a devastating thing, and you also lose

...