#Aging38

23 Jul 2026

Contrast test can show early vision problems in older adults

A new study links a Pelli-Robson contrast sensitivity test to everyday vision difficulties for older adults. The test finds problems that routine high‑contrast eye charts can miss and may help clinicians detect treatable early changes.

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Photo by CDC, Unsplash

17 Jul 2026

Younger generations show faster biological aging

A large study found younger generations have faster biological aging and this is linked to higher rates of early-onset cancer (diagnosed at age 55 or younger). Researchers used UK and US health data and organ measures to study risks.

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9 Jul 2026

New compound slows Alzheimer’s symptoms in mice

Researchers at ETH Zurich found a compound that slows typical Alzheimer’s symptoms in mice. The work, led by Ursula Quitterer, appears in the journal Cell Reports Medicine and the team has applied for a patent.

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23 Jun 2026

Study: Common Sleep Habits Linked to Brain Aging

A large study found connections between everyday sleep habits and signs of brain aging. Researchers used questionnaires and brain MRI scans years later and identified three changeable sleep behaviors linked to more brain lesions.

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17 Jun 2026

Aging muscle may help cancer grow

Scientists found that older, weaker muscle releases fewer extracellular vesicles and less of a microRNA called miR-7a-5p. Exercise can restore vesicle release and may help reduce cancer risk in older adults. The work suggests new biomarkers and therapies.

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9 Jun 2026

Biological signals that predict lifespan appear in dogs

New research from the Dog Aging Project finds that the same biological signals linked to human lifespan also appear in dogs. The study, published in The Journals of Gerontology, compared dog data with large human studies.

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20 May 2026

Exercise better than protein powder for older adults' muscle strength

A clinical trial in people aged 65 and over found that extra protein from whey capsules did not increase muscle strength after 24 weeks. Researchers say resistance exercise remains the most reliable way to improve strength.

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11 May 2026

Blood cell aging linked to mood symptoms of depression

A study found that a marker of biological aging in certain white blood cells relates to mood and cognitive symptoms of depression, but not to physical symptoms. The research used blood tests from women with and without HIV.

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8 May 2026

Being Overweight May Speed Brain Decline

A long US study found that higher body mass index (BMI) over time is linked to faster decline in memory, thinking and other brain skills. The effect was strongest after several years and in older adults.

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30 Apr 2026

Vigorous exercise helps sleep in older adults with mild cognitive impairment

A small Texas A&M study used Oura Rings to track seven older adults with mild cognitive impairment for 14 days. Vigorous exercise gave the largest sleep benefit; light activity helped a little and moderate exercise showed no clear effect.

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29 Apr 2026

How coffee compounds may protect the body

New research from Texas A&M suggests a receptor called NR4A1 helps explain coffee’s links to lower disease and longer life. Scientists found some coffee compounds bind NR4A1 and reduce cell damage in laboratory models.

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21 Apr 2026

Nasal spray reverses signs of brain aging in models

Researchers developed a nasal spray that delivers extracellular vesicles with microRNAs to the brain. In preclinical models it reduced inflammation, restored neuronal mitochondria and improved memory, but human tests are still needed.

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20 Apr 2026

QR codes and older adults in hospitality

Research from the University of South Florida shows older adults have mixed reactions to QR codes for menus and services. Hard-to-use codes increase frustration and can reduce satisfaction and loyalty; printed options remain important.

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