The blog

Health research, explained honestly

Health headlines and myths, in full: the numbers behind them, how strong the studies really are, and what it means for your everyday habits. Every article names its sources.

Illustration of a probiotic jar, capsules, a moisturiser tube and leaves
Skin

Do probiotics help eczema? What 39 trials found, and what works better

39 trials found probiotics make little or no difference to eczema. Here's how strong that evidence is, and the daily habits with stronger evidence behind them.

21 October 2026 · 5 min read
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Cancer

Exercise after colon cancer: what the CHALLENGE trial found

In 889 people after colon cancer treatment, a coached exercise programme was linked to 28% lower risk of cancer returning. How strong the trial is, and why.

20 October 2026 · 4 min read
Illustration of sugar cubes beside a bowl of colourful vegetables
Cancer

Does sugar feed cancer? Why this half-truth is so misleading

Cancer cells use glucose, but so does every healthy cell. What Cancer Research UK says about sugar, and the habits with strong evidence behind them.

19 October 2026 · 5 min read
Illustration of a packet of crisps swapped for a bowl of nuts, fruit and wholegrain toast
Gut

Does ultra-processed food raise your risk of IBD? What a 116,000-person study found

In 116,087 adults, 5+ daily servings of ultra-processed food were linked to an 82% higher IBD risk. How strong that is, and gut habits with good evidence.

18 October 2026 · 5 min read
Illustration of a battery filling up beside lentils, spinach and an orange
Fatigue

Tired all the time but your bloods are "normal"? The ferritin trial explained

In 144 tired women without anaemia, iron cut fatigue twice as much as placebo, but only with ferritin of 50 or under. The trial, its limits, and energy habits.

17 October 2026 · 4 min read
Illustration of a warm mug of tea, a heart and a bowl of vegetables
Cancer

"Natural therapies work as well as chemo": what happens when people choose alternative medicine alone

People who chose alternative medicine alone for curable cancers were 2.5 times more likely to die. What the study found, its limits, and where lifestyle fits.

16 October 2026 · 4 min read
Illustration of a sunny plate of oily fish, an egg and mushrooms
Autoimmune

Can vitamin D prevent autoimmune disease? What the VITAL trial really found

In 25,871 adults, vitamin D was linked to 22% fewer autoimmune diagnoses. What the trial shows, what it doesn't, and the habits with stronger evidence.

15 October 2026 · 5 min read
Illustration of a phone, a magnifying glass, a green tick and a stack of books
Health myths

How to fact-check a health trend in under a minute: 5 checks

Five quick checks to spot weak health advice online, how to tell strong research from hype, and the habit-building methods with real evidence behind them.

14 October 2026 · 5 min read