How the NHS Waiting List Crisis Is Being Addressed
England's elective waiting list fell from a record 7.8 million in September 2023 to around 7.4 million in early 2025. Here is what closed…
Dr. Nadia Okoro
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Dr. Nadia Okoro
Science & Health Writer
Dr. Nadia Okoro holds a PhD in molecular biology and writes about medicine, public health and scientific research with an emphasis on evidence.
Credentials: PhD, Molecular Biology
The Science of Fermentation: Why Fermented Foods Are Good for You
A landmark 2021 Stanford study found a diet high in fermented foods increased gut microbiome diversity and reduced inflammatory markers in…
Dr. Nadia Okoro
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Understanding Type 2 Diabetes: Causes, Prevention and Management
Around 4.6 million people in the UK are diagnosed with diabetes, roughly 90% of them type 2. The DiRECT trial showed remission is possible…
Dr. Nadia Okoro
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The Science of Sleep: What Happens While You Are Asleep
The NHS recommends 7-9 hours a night for adults, yet the discovery of the brain's glymphatic waste-clearance system in 2013 revealed just…
Dr. Nadia Okoro
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What Are Stem Cells?
Stem cells are the body's master cells, able to renew themselves and turn into specialised cell types. Here is what the main types are, how…
Dr. Nadia Okoro
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How Do Planes Fly?
A plane flies by balancing four forces: lift pushes it up, weight pulls it down, thrust drives it forward and drag holds it back. Here is…
Dr. Nadia Okoro
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Climate vs Weather: What's the Difference?
Weather is what the atmosphere is doing right now; climate is the long-term pattern of weather over decades. Here is how the two differ…
Dr. Nadia Okoro
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How the Immune System Works
The immune system is the body's layered defence against germs, combining fast general responses with a slower, highly targeted one that…
Dr. Nadia Okoro
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What Is Gravity?
Gravity is the attraction between anything that has mass, from an apple to a galaxy. Here is how Newton and Einstein each explained it, why…
Dr. Nadia Okoro
350 reading now