gut-health
Gut microbiome linked to fever after mRNA vaccination
A Science study of 171 healthy adults reports gut bacteria producing flagellin predicted fever after mRNA vaccination, with no link to antibody responses
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regulation
Health influencer supplement posts are mostly promotional
Pew Research Center analysed 535,512 influencer posts and found 66% of those mentioning supplements or non-prescription medicines carried a promotional appeal
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regulation
ASA upholds GP complaint over home blood test ads
The ASA has ruled against two Do Health adverts after a GP complained they implied home blood tests could diagnose and prevent Alzheimer's and type 2 diabetes
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pricing
Fibre Supplements Cost More Per Gram Than Food, Which? Finds
Which? priced six UK fibre supplements per dose and found two deliver less fibre than a 4p bowl of porridge oats, plus a vitamin claim labelling workaround
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longevity
Brain Care Score Tracks Retinal Thickness in Biobank Study
A GeroScience study of 28,657 UK Biobank participants links higher Brain Care Scores to slightly thicker retinal layers, with effects under 1.5% and no causal claim
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gut-health
Gut Bacteria Response to Fibre Depends on Neighbours
A Nature Microbiology study from the Helmholtz Centre for Infection Research found one common gut bacterium only outcompeted rivals on fibre when E. coli was there
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regulation
ASA Bans First Oral Weight Loss Pill Ads in UK Rulings
The ASA has upheld complaints against five online pharmacies, its first rulings on adverts for oral weight loss medicines, published on 7 October 2026
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longevity
Sardinian Village Shows Rare Odds of Women Reaching 100
Researchers report that women aged 70 in Bolotana, Sardinia have a 13.83% chance of reaching 100, on a small population with wide confidence intervals
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longevity
Dementia blood tests head into NHS memory services
A project led by Oxford and Dementias Platform UK will put a blood biomarker panel into six to ten NHS memory services under an £80m UKRI dementia challenge
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longevity
Bedroom light, heat and noise linked to worse sleep
A Sleep Health study of 372 young adults found bedrooms rated too bright, hot or noisy were linked to worse sleep quality, while total sleep time held steady
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longevity
Diet Drinks Match Water for Weight Loss in Two-Year Trial
The Liverpool-led SWITCH trial randomised 493 adults with a BMI of 27 to 35 to water or sweetened drinks and found no significant weight gap at 104 weeks
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regulation
GLP-1 Users Report More Nail and Hair Changes, Studies Find
Two cross-sectional studies presented at the EADV Congress in Vienna found higher rates of nail detachment and hair loss among 575 GLP-1 users than among controls
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