15
May 2026
Healthy brain maintenance protects cognitive skills from early Alzheimer's effects
A healthy brain may help protect thinking and memory skills from the early effects of Alzheimer's disease, a new study has found.
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15
May 2026
PSA tests detect 30 percent more cancers but may cause overtreatment
Blood tests to detect potential signs of prostate cancer likely reduce the risk of dying from prostate cancer, an updated Cochrane review finds. This is a shift from the previous version of the review, which did not find sufficient evidence that screening reduced prostate cancer deaths.
14
May 2026
Can supplements slow Parkinson’s disease? Review reveals where the evidence stands
Dietary supplements are widely used by people with Parkinson’s disease, but this review finds that none have yet been proven to slow disease progression. Biotics, nicotinamide riboside, and omega-3 fatty acids combined with vitamin E show the most promise, but larger, longer, and better-designed trials are needed.
14
May 2026
The Goldilocks sleep zone: study links too little and too much sleep to biological aging
The Nature study introduces “Sleep Chart,” a framework linking self-reported sleep duration with 23 biological aging clocks derived from MRI, plasma proteomics, and metabolomics. Across UK Biobank participants, the lowest biological age gaps generally appeared between 6.4 and 7.8 hours of sleep, while shorter and longer sleep were associated with higher disease and mortality risk.
14
May 2026
How Andes virus super-spreaders reveal the risk behind the MV Hondius hantavirus cluster
A 2020 NEJM study of the 2018 to 2019 Epuyén outbreak showed that Andes virus spread from one zoonotic introduction into four generations of human infection, causing 34 cases and 11 deaths. The findings are newly relevant after WHO reported an ANDV cluster linked to the MV Hondius cruise ship, where close indoor exposure may have enabled onboard human-to-human transmission.
14
May 2026
Perioperative medicine emerges as a system wide strategy for better surgery outcomes
Perioperative medicine is emerging as a transformative, comprehensive, system-wide approach to patient care before, during, and after surgery – that reduces complication rates and hospital days, provides better health outcomes, and improves health system performance, according to a special article in the Online First edition of Anesthesiology, the peer-reviewed medical journal of the American Society of Anesthesiologists (ASA).
14
May 2026
Brain immune cells found to regulate anxiety and grooming behaviors
A study led by a University of Louisville School of Medicine pediatrics and child neurology researcher reveals how a specific signaling mechanism in microglia, the brain's immune cell, can regulate anxiety and grooming behaviors. These behaviors are core symptoms of autism and obsessive-compulsive spectrum disorders.
14
May 2026
Clinical trial challenges long held beliefs about treating brittle bone disease
Increasing bone density in patients with a rare genetic condition that causes bones to break easily does not prevent fractures, a large clinical trial has found.
14
May 2026
Stanford scientists map the molecular diversity of different global populations
Researchers at the Stanford School of Medicine have found that ethnicity and geography may influence human molecular makeup - from metabolism and immunity to gut microbiota and biological aging.
14
May 2026
Retinal stimulation via contact lenses effective as antidepressants in mice
Materials scientists have designed brain-stimulating contact lenses that are as effective as Prozac at treating depression in mice. The soft, transparent contact lenses have in-built electrodes that deliver mild electrical signals to the brain via the retina to stimulate specific brain regions associated with depression.
