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Lewis Mattin

Lewis Mattin

The Conversation

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What weight loss jabs teach us about how appetite works

Appetite is governed by gut hormones, not willpower. GLP-1 therapies extend natural satiety signals and expose the biology behind eating.

27.02.2026 7

The Conversation

Lewis Mattin

Gut microbes may have links with sleep deprivation

We may be only beginning to understand how complicated sleep is.

24.11.2025 4

The Conversation

Lewis Mattin

‘Fibremaxxing’ is trending – here’s why that could be a problem

Adults should aim for around 30g of fibre a day. Double that amount and the results could spell trouble.

28.07.2025 10

The Conversation

Lewis Mattin