#Medicine75

17 Jun 2026

Saliva test reveals signs of sleep loss

Researchers at the University of Zurich found molecules in saliva that indicate acute sleep deprivation. They tested different sleep conditions in volunteers and plan a large field study to validate a rapid fatigue test.

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Photo by Thimo Pedersen, Unsplash

30 May 2026

AI blood test helps identify causes of dementia

Researchers report an AI-based blood test that can distinguish common causes of dementia from normal aging. The test uses a panel of blood proteins and showed strong agreement with brain autopsy results, but it needs more validation.

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26 May 2026

AI detects heart risk in mammograms

A retrospective study of 123,762 women found that AI analysis of mammogram images can measure breast arterial calcification (BAC). Higher BAC on mammograms was linked to greater future risk of cardiovascular disease.

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8 May 2026

New liver cell linked to MASH and a gene called Themis

Researchers found a new type of liver cell that appears in MASH, a severe form of MASLD. Themis gene activity was high in diseased livers, and mouse tests show the THEMIS pathway may affect liver damage.

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29 Apr 2026

New bacteria in coral reefs could yield useful molecules

A two-year Tara Pacific study (2016–2018) examined Pacific coral reefs and their microbes. Researchers found thousands of largely new bacteria that make bioactive molecules with possible uses in medicine and industry.

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28 Apr 2026

New research questions cause of hydrocephalus

A new study suggests hydrocephalus may result from the brain failing to absorb heartbeat pulses, not from simple fluid malabsorption. The authors point to the cerebral windkessel system and call for more imaging research and better shunt designs.

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28 Apr 2026

Chickens changed to keep useful genes in eggs

University of Missouri researchers used gene editing to place a new segment at a specific spot in the chicken genome. The change stayed active in cells and could help make eggs that contain medical proteins.

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26 Apr 2026

Two-step treatment reveals hidden regeneration in mammals

A study by Texas A&M researchers in Nature Communications found a two-step treatment with two growth factors can produce blastema-like tissue and rebuild bone and connective parts after amputation. The method may first reduce scarring and improve repair.

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24 Apr 2026

Shoulder pain: causes and care

Shoulder pain is common and can come from aging, overuse, injury, or nerve problems. Many conditions improve with physical therapy; see a doctor for sudden loss of arm movement or if pain and weakness continue for weeks.

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21 Apr 2026

Drugs for Parkinson’s can change gut bacteria

A new study finds that drugs given to boost levodopa can alter the gut microbiome. This change can let certain bacteria break down levodopa in the gut, reducing the drug’s benefit for the brain.

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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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13 Apr 2026

App lets pregnant people check fetal heartbeat at home

DopFone is a new mobile app that uses a phone speaker to monitor a fetal heartbeat between doctor visits. Early tests show readings close to clinic tools, but researchers warn it may increase anxiety for some users.

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31 Mar 2026

Rare neurons reconnect spinal circuits after injury

A rare group of transplanted neurons can reconnect spinal motor circuits and trigger leg muscle activity after spinal cord injury. Researchers say the result could guide future cell therapies and rehabilitation for paralysis.

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