Science
Articles on longevity, NAD+, geroscience, nutrition, exercise, sleep, and biotechnology, with evidence level and sources.
Promising Level C · preliminary human evidence
2026 Nobel Prize in Medicine: How Light-Controlled Neurons Are Transforming Neuroscience
Deisseroth, Hegemann and Nagel received the 2026 Nobel Prize in Medicine for light-gated ion channels and optogenetics. This note follows the official release: it is neuroscience, with a clinical attempt in the retina, and not evidence that life is extended.
2026-10-07
Learn morePromising Level B · moderate human evidence
Don't Die Now: the new science of living longer, and of living better
Geroscience studies why we age. It separates what is proven, what is promising, and what is experimental, without promising that aging can already be stopped.
2026-10-05
Learn moreEstablished Level B · moderate human evidence
Lifespan and healthspan are not the same question
Lifespan is how long a life lasts. Healthspan is how long it is lived with autonomy. Contemporary geroscience is more interested in the second.
2026-10-05
Learn moreEarly research Level C · preliminary human evidence
NAD+: what science knows and what it still does not
NAD+ is a central molecule of metabolism. A precursor raising it in blood does not demonstrate a clinical longevity benefit.
2026-10-05
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