Kurt Greiner
Three Aging Hallmarks One Research Group Links to NAD+: What an Editorial Says
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An editorial from one research group describes three aging hallmarks it has studied for 13 years and argues NAD+ is a common thread; several of the authors declare ties to NAD+ companies. Read more…
A Gene Variant and Exercise in Older Women: What One Small Study Found (and Didn’t)
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A small subgroup in a Taiwanese study of older adults showed a surprising pattern between a gene variant, activity, and chair-stand speed. Here is what it shows, and why it is not advice. Read more…
Hair Cortisol and Low Muscle Strength in Older Brazilian Adults: No Clear Link
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In a cross-sectional study of 947 older Brazilian adults, hair cortisol, a marker of months of chronic stress, was not significantly associated with low grip strength, sarcopenia or sarcopenic obesity; the confidence intervals were wide. Read more…
Lab-Grown Muscle “Organ Chips”: A Proposed Way to Study Why Older Adults Recover Differently
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Researchers propose using lab-grown muscle ‘organ chips’ paired with AI to figure out why some older adults recover from muscle loss and others don’t. Read more…
A New Review Argues Aging People With HIV Need More Than a Scale
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A new review argues that body weight alone misses the real story for aging people with HIV, who face a distinct pattern of muscle loss hidden inside weight gain. Read more…
AI Muscle Scans Linked to Survival After Heart Valve Surgery
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In one retrospective study of 470 TAVI patients, low skeletal muscle volume measured by AI on the pre-procedure CT scan was linked to higher mortality over about 4.6 years of follow-up. Read more…
