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Gerontology & Geriatrics news

Gerontology & Geriatrics

New organ-on-a-chip platform allows the testing of cancer vaccine efficacy in aging populations

Dr. Vadim Jucaud's lab at the Terasaki Institute has introduced a new organ-on-a-chip platform that recapitulates age-dependent immune responses, offering a more accurate testing bed for evaluating cancer vaccine performance ...

Psychology & Psychiatry

Friendship can be an important lifeline for older adults without children

Friendship can be one of the keys to staying healthier later in life—that was one of the key findings from new research at the University of New Hampshire that took a closer look into the growing public health concern of ...

Psychology & Psychiatry

Who are the loneliest Americans?

Middle-aged Americans are most likely to feel the pinch of loneliness in their lives these days, a new AARP survey has found.

Gerontology & Geriatrics

Age-related muscle wasting tied to cell recycling defect

Two related studies published today in Nature Metabolism show that a specialized intracellular recycling mechanism—chaperone-mediated autophagy (CMA)—is essential for muscle health.

Diabetes

Diabetes drugs may help older adults slow frailty

A new study shows that older adults with type 2 diabetes who start treatment with sodium–glucose cotransporter-2 (SGLT-2) inhibitors—such as empagliflozin (Jardiance) and dapagliflozin (Farxiga)—or glucagon-like peptide-1 ...

Psychology & Psychiatry

Navigating grief in the aged care system

Grief for families in the aged care system begins long before the death of their loved ones, new research has found, highlighting the need for a systemic rethink of how grief is understood and supported.

Genetics

Why important genes 'go quiet' as we get older

The human gut renews itself faster than any other tissue: every few days, new cells are created from specialized stem cells. However, as we get older, epigenetic changes build up in these stem cells. These are chemical markers ...

Inflammatory disorders

Chronic pruritus prevalent among older adults

Chronic pruritus is prevalent among older adults and is associated with moderately impaired pruritus-specific quality of life, according to a study published online Nov. 10 in Acta Dermato Venereologica.

Psychology & Psychiatry

Health system partnership may help cut senior emergency room visits

An innovative partnership between a health system and local congregations in neighborhoods with high need that provides individual companionship to older adults has found significant reductions in loneliness and a corresponding ...

Gerontology & Geriatrics

AI-assisted technique can measure and track aging cells

A combination of high-resolution imaging and machine learning, also known as artificial intelligence (AI), can track cells damaged from injury, aging, or disease, and that no longer grow and reproduce normally, a new study ...

Gerontology & Geriatrics

Mimicking the benefits of exercise with a single molecule

Capital Medical University, in collaboration with the Chinese Academy of Sciences, reports that betaine, a molecule produced in the kidney and enhanced through sustained exercise, operates as a potent inhibitor of inflammatory ...

Gerontology & Geriatrics

Slower arm movements linked to greater fall risk for older adults

When a person starts to lose their balance on a slippery surface, the natural reaction is to raise the arms to restore balance. Adults aged 65 and older may move their arms more slowly when slipping, which could increase ...

Neuroscience

A single brain scan can tell how fast you're aging

Any high school reunion is a sharp reminder that some people age more gracefully than others. Some enter their older years still physically spry and mentally sharp. Others start feeling frail or forgetful much earlier in ...

Neuroscience

How the brain supports social processing as people age

Because aging weakens cognitive skills, older people can struggle to read difficult social cues. A brain region involved in attention and arousal—the locus coeruleus (LC)—helps with complex tasks, and its connections ...