Longevity claims after 40: when a better biomarker is not enough
Oats, experimental peptides and biological-age tests show why the value of a biomarker depends on what it can tell us about health.
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Longevity supplements: what absorption and NAD+ results can tell you
Human trials show why better magnesium absorption, higher NAD+ and convenient supplement blends need to be judged against the health outcomes they actually measure.
Longevity drugs after 40: what the human trials measured
Trials of metformin, rapamycin and muscle-building drugs reveal why biological changes must be judged against the health benefits they actually deliver.
Brain fog after 40: what brain training and diet trials show
Research on sleep, neurofeedback and diet reveals why changing a biological signal does not necessarily mean clearer thinking.
Brain health after 40: what does a better score show?
Neurofeedback, Alzheimer’s treatments and lifestyle trials reveal why changing a brain measurement is only part of demonstrating a benefit.
Brain health after 40: what counts as a meaningful benefit?
Blueberries, neurofeedback and Alzheimer’s treatments reveal why a measurable improvement needs careful interpretation before it becomes a brain-health claim.
Muscle Strength After 40: Why Mass Tells Only Part of the Story
Preserving muscle matters, but strength and everyday function need their own measurements, as ageing studies and muscle-preserving drug trials show.
Brain-Age Scores, APOE and the Limits of Personalised Brain-Health Advice
Brain-age scores and genetic findings offer intriguing clues, but decisions about brain health still depend on what studies actually measured.
Kidney health, blood pressure and brain ageing: what the evidence connects
Kidney markers and blood-pressure trials connect vascular health with cognitive ageing, but they support different conclusions about prevention.
How to prioritise longevity interventions after 40
Exercise, heat exposure and thyroid research reveal why longevity priorities should depend on demonstrated benefits, personal circumstances and what remains uncertain.