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Sarah Hellewell

Sarah Hellewell

The Conversation

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Kim Kardashian’s brain scan shows ‘low activity’ and holes. I’m a brain expert and I have questions

Kim Kardashian’s brain scan shows ‘low activity’ and holes. I’m a brain expert and I have questions

Here’s what these brain ‘holes’ and the scans that found them really mean.

03.12.2025 9

The Conversation

Sarah Hellewell

Microplastics are in our brains. How worried should I be?

Plastic is in our clothes, cars, mobile phones, water bottles and food containers. But recent research adds to growing concerns about the impact of...

28.08.2024 3

The Conversation

Sarah Hellewell