Top 10 stories of the day — 15 October 2026

Thursday, October 15, 2026 · 10 minutes

Valeria and Vitalis on combined SPAN gains, Jonathan the tortoise DNA, AMPK activator in lab organisms, GLP-1 clock signals, five pillars with social connection, swapping TV for movement, steps versus VO2 max, isolation and mental-health years, muscle protection on weight-management medicines, and short daily movement doses. Educational only.

Stories from this day

In 20 aging male rats with hypertension, eight weeks of intervals lowered blood pressure without changing four endothelial genes · PLOS One
A BMJ editorial says commercial testosterone prescribing is widening beyond men with a clear deficiency · The BMJ
A review of 12 placebo-controlled trials found the evidence that magnesium helps sleep is inconsistent and low certainty · Journal of Dietary Supplements
Across 27 trials and 1,177 people, chronic exercise training made walking cost less energy in healthy adults · Sports Medicine
In 9,476 Chinese adults ages 45 and older, sleeping under 6 hours lined up with higher odds of psychological frailty · Aging & Mental Health
In 1,020 adults in Chennai, a higher genetic risk score lined up with higher cholesterol only when diet quality was low · PLOS One
In 18,476 people ages 1 to 96, a plasma metabolomic age gap lined up with later disease and death · Science Translational Medicine
In aged mice, raising the RNA-processing gene SRSF1 in the liver extended median lifespan by 14 percent · Nature Aging
In a survey of more than 1,800 app users, more frequent activity lined up with a lower perimenopause symptom score · The Menopause Society
In 12 trials of more than 1,000 women, aerobic activity had the clearest link to mood during menopause · UCL / Menopause
Across 29 studies and 550,550 women, earlier menopause lined up with a slightly faster DNA-methylation age · Mechanisms of Ageing and Development
In more than 1 million women, 52 of 90 lab measures shifted abruptly around the final menstrual period · Nature Medicine

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