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Joyce Siette

Joyce Siette

The Conversation

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There are new blood tests for Alzheimer’s. Should I have one?

New blood tests for Alzheimer’s won’t give you an instant diagnosis. Here’s what they’ll tell you instead.

04.08.2026 20

The Conversation

Joyce Siette

Your dementia risk is higher if your spouse has it – but it’s more than shared lifestyle

A new study looked at almost one million married couples and found dementia clustered among couples. Shared lifestyle doesn’t explain everything.

21.07.2026 30

The Conversation

Joyce Siette

We can’t know if Donald Trump has dementia. Even if he did, it wouldn’t excuse his actions

Claims about dementia may seem explanatory, but diagnosing from a distance is flawed – and risks stigma, misinformation and misplaced...

27.04.2026 40

Pearls and Irritations

Joyce Siette

We can’t know if Donald Trump has dementia. Even if he did, it wouldn’t excuse his actions

Blaming behaviour we don’t like on a disease means less accountability, and is bad for those who live with dementia. It’s also often inaccurate.

23.04.2026 20

The Conversation

Joyce Siette

Exercising in mid and later life can reduce dementia risk – new study

People who did a lot of physical activity between 45 and 64 had much lower odds of developing dementia – even when they carried a genetic risk factor.

19.11.2025 30

The Conversation

Joyce Siette