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Primrose Freestone

Primrose Freestone

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Is it safe to eat cold leftovers?

Improperly stored leftovers can be a key cause of food poisoning.

27.03.2026 10

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Primrose Freestone

The biology of body odour, from sweat glands to skin bacteria

Sweat cools you down. Bacteria make you smell.

26.02.2026 20

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Primrose Freestone

Christmas food poisoning and how to avoid it – by a microbiologist

A microbiologist explains why Christmas food is riskier than we realise, and how to keep your holiday both joyful and safe.

18.12.2025 20

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Primrose Freestone

Can you wear the same pair of socks more than once?

One study found socks contained the highest microbial count of any other once-worn clothing item.

08.12.2025 10

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Primrose Freestone

Can air conditioning really make you sick? A microbiologist explains

Poorly maintained AC units can harbour numerous infectious microbes.

08.08.2025 20

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Primrose Freestone

The dirty truth about what’s in your socks: bacteria, fungi and whatever lives between your toes

Think your socks are clean? You might need to think again. They can carry millions of bacteria and fungi – and even link suspects to crime scenes.

30.07.2025 10

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Primrose Freestone

How often should you really be washing your bedding? A microbiologist explains

Your bed is a buffet for bacteria, dust mites and fungi. Here’s how to clean it properly and why it matters for your health

07.07.2025 10

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Primrose Freestone

Beards and microbes: what the evidence shows

A microbiologist explores the science behind beard hygiene.

10.06.2025 20

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Primrose Freestone

Is it better to shower in the morning or at night? Here’s what a microbiologist says

Showers help remove dirt, oil, dead skin cells and sweat from our skin.

19.05.2025 10

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Primrose Freestone

The gym can be full of germs – here’s how to protect yourself

Disease-causing bacteria, fungi and viruses have been found everywhere in the gym – including on floors, door handles, weights, treadmills and...

14.01.2025 10

The Conversation

Primrose Freestone