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ScienceDaily · 14 Sept 2026 · Supplements / medicine

Cancer is rising in younger adults. Faster biological aging may help explain why

Study (observational). WashU Medicine’s Yin Cao, Ruiyi Tian and colleagues report in Nature Medicine that among more than 154,000 UK Biobank young adults and more than 10,000 U.S. All of Us participants, more recent birth cohorts looked biologically older at the same chronological age. U.S. adults born 1990–1999 had systemic aging 92% of one SD higher than those born 1965–1969; UK 1965–1974 vs 1950–1954 was 23% of one SD. Greater systemic aging tracked an 8% higher risk of early-onset solid cancers (diagnosed at 55 or younger); the top tertile had 15% higher risk after genetic adjustment. Organ-specific clocks linked immune aging to lung cancer and adipose aging to colorectal cancer. Association is not a screening protocol. Educational aging notes, not a diagnosis.

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ScienceDaily · 14 Sept 2026 · Nutrition

Hidden brain wiring may help keep the mind sharp as gray matter shrinks

Study (cross-sectional imaging). Yingxu Liu, Leon Aksman and colleagues at USC’s Stevens INI report in Alzheimer’s & Dementia on 459 community-dwelling adults aged 60+ in India’s LASI-DAD cohort. Healthier superficial white-matter (short fibers under cortex) tracked better language scores and appeared to weaken the link between gray-matter loss and poorer cognition. Gray-matter atrophy remained the stronger overall predictor. One time-point cannot say which change comes first. Educational brain-aging notes, not a dementia diagnosis.

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ScienceDaily · 14 Sept 2026 · Supplements / medicine

Low vitamin D linked to more pain after breast cancer surgery

Study (observational). Abdelhady and colleagues at Fayoum University Hospital followed 184 women having unilateral modified radical mastectomy (mean ages about 42–44). Those with vitamin D below 30 nmol/L were three times more likely to report moderate-to-severe pain in the first 24 hours and used more tramadol (about 112 mg) than the sufficient group; intraoperative fentanyl was only modestly higher. No one scored severe pain (≥7/10). Single-center, not a supplementation trial, and not proof that vitamin D causes pain. Educational notes, not a prescription to start vitamin D before surgery.

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