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Theresa Larkin

Theresa Larkin

The Conversation

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Yes, men have a biological clock too. But it’s not just age that affects male fertility

Men’s sperm numbers and fertility also decline with age. If you’re planning to have kids in the future, here’s what you need to know.

12.02.2026 10

The Conversation

Theresa Larkin

The science behind a freediver’s 29-minute breath hold world record

A freediver recently set a new world record for a breath hold. His physical and mental training allowed him to delay a basic human survival response:...

04.09.2025 10

The Conversation

Theresa Larkin

Could a ‘cortisol cocktail’ really reduce stress and boost energy?

This concoction is being touted on social media – here’s what the evidence says.

26.08.2025 7

The Conversation

Theresa Larkin

What’s the difference between sperm and semen? And can pre-ejaculate get you pregnant?

Semen, sperm, pre-cum, seminal fluid. These terms are sometimes used interchangeably – here’s the difference.

21.07.2025 5

The Conversation

Theresa Larkin

Trump has ‘chronic venous insufficiency’. Is it dangerous? Can it be treated?

Chronic venous insufficiency is a disease of the veins, where blood doesn’t flow as well as it should from the legs up to the heart.

18.07.2025 7

The Conversation

Theresa Larkin

Inaccurate and misogynistic: why we need to make the term ‘hysterectomy’ history

An operation to remove the uterus should be called a uterectomy – like the removal of the tonsils is a tonsillectomy, or an appendix removal is an...

24.06.2025 10

The Conversation

Theresa Larkin

Around 3% of us will develop a brain aneurysm in our lives. So what is it and how do you treat it?

There are several lifestyle risk factors that increase the risk of brain aneurysms.

04.02.2025 10

The Conversation

Theresa Larkin

Can you get sunburnt or UV skin damage through car or home windows?

When it comes to blocking harmful UV rays, not all windows are equal. Sometimes you’ll need extra protection.

03.02.2025 8

The Conversation

Theresa Larkin