Psychology & Psychiatry
Anxiety disorders tied to low levels of an essential nutrient in the brain
People with anxiety disorders have lower levels of choline in their brains, according to research from UC Davis Health.
Nov 10, 2025
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Top medical news headlines for the week 46
Neuroscience
NAD⁺ restores memory in Alzheimer's disease models by correcting RNA errors
Alzheimer's disease (AD), the leading cause of dementia, affects nearly 40 million individuals globally, resulting in a gradual loss of memory and independence. Despite extensive research over the past decades, no treatments ...
Nov 10, 2025
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186
Addiction
One enzyme could be behind alcohol addiction and liver disease
Scientists have uncovered a surprising connection between sugar metabolism and alcohol addiction, identifying a potential new therapeutic target for treating alcohol-associated liver disease (ALD) and alcohol use disorder ...
Nov 10, 2025
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110
Oncology & Cancer
Rearranging tumor cell structures—new approach could treat cancer
Biomedical research typically follows a familiar path: developing treatments that block, enhance or mutate certain signaling pathways, genes or proteins to change the function of different cells in the body. University of ...
Nov 10, 2025
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70
Diseases, Conditions, Syndromes
Scientists reveal another piece in the long COVID puzzle
In patients with long COVID, a new study has revealed a structural association between circulating microclots and neutrophil extracellular traps (NETs).
Nov 10, 2025
0
67
Oncology & Cancer
Father–son team integrates AI into cancer research
For more than three decades, USF Distinguished University Professor Dmitry Goldgof in the Bellini College of Artificial Intelligence, Cybersecurity and Computing has been at the forefront of artificial intelligence research. ...
Nov 10, 2025
0
54
Neuroscience
Removing toxic proteins before they can damage motor neurons
University of Wollongong (UOW) scientists have developed a breakthrough therapy that clears toxic proteins from nerve cells—a discovery that advances the work of the late Professor Justin Yerbury and could transform the ...
Nov 10, 2025
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50
Neuroscience
Estrogen's role in boosting dopamine and cognition: Experiments uncover how hormones influence learning
Researchers have long established that hormones significantly affect the brain, creating changes in emotion, energy levels, and decision-making. However, the intricacies of these processes are not well understood.
Nov 11, 2025
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204
Oncology & Cancer
Pancreatic cancer forms 'synapses,' scientists discover
Pancreatic cancer is one of the deadliest types of tumors. A team at the Technical University of Munich (TUM) reports that pancreatic tumors exploit the body's nervous system by forming so-called pseudosynapses.
Nov 11, 2025
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155
Psychology & Psychiatry
Research reveals shared genetic roots for psychiatric and neurological disorders
Researchers from the Center for Precision Psychiatry at the University of Oslo and Oslo University Hospital have discovered extensive genetic links between neurological disorders like migraine, stroke and epilepsy, and psychiatric ...
Nov 11, 2025
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104
Neuroscience
The flexible brain: How circuit excitability and plasticity shift across the day
Our brains do not react in a fixed, mechanical way like electronic circuits. Even if we see the same scene every day on our commute to work, what we feel—and whether it leaves a lasting impression—depends on our internal ...
Nov 11, 2025
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103
Neuroscience
It's not just in your head: Stress may lead to altered blood flow in the brain
While the exact causes of neurodegenerative brain diseases like Alzheimer's and dementia are still largely unknown, researchers have been able to identify a key characteristic in affected brains: reduced blood flow. Building ...
Nov 11, 2025
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77
Diabetes
Physical inactivity and food insecurity emerge as key diabetes predictors in Southern California adults
Children's Hospital Los Angeles researchers report that physical inactivity, routine checkups, binge drinking, lack of insurance, and food insecurity were the strongest correlates of diagnosed diabetes in Southern California. ...
Medications
Global use of antiseizure drug linked to birth defects is on the rise
In a study carried out in collaboration with the World Health Organization, two Aston University academics have found that while access to antiseizure medication in low- and middle-income countries is growing, it is not necessarily ...
Nov 11, 2025
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58
Diseases, Conditions, Syndromes
Scientists tie lupus to a virus nearly all of us carry
One of humanity's most ubiquitous infectious pathogens bears the blame for the chronic autoimmune condition called systemic lupus erythematosus (lupus), Stanford Medicine investigators and their colleagues have found.
Nov 12, 2025
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167
Psychology & Psychiatry
LSD microdosing reduces depression scores without major side effects, clinical trial finds
University of Auckland researchers report that an 8-week, twice-weekly LSD microdosing regimen for major depressive disorder was feasible and well-tolerated, with Montgomery-Åsberg Depression Rating Scale (MADRS) scores ...
Diseases, Conditions, Syndromes
Very low LDL-cholesterol correlates to fewer heart problems after stroke
Brigham and Women's Hospital's TIMI Study Group reports that in patients with prior ischemic stroke, very low achieved LDL-cholesterol correlated with fewer major adverse cardiovascular events and fewer recurrent strokes, ...
Diseases, Conditions, Syndromes
Symptom-free H5N1 infection in humans: Evidence remains scarce
Researchers at the US Centers for Disease Control and Prevention (CDC) have identified a few instances of asymptomatic human infection with avian influenza A (H5N1) virus.
Cardiology
High blood pressure in children nearly doubled from 2000–2020, global study finds
The rate of children and adolescents experiencing high blood pressure worldwide nearly doubled between 2000 and 2020, according to a new meta-analysis published in The Lancet Child & Adolescent Health journal.
Nov 12, 2025
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58
Neuroscience
Speaking more languages might keep you younger, study suggests
Can learning another language help you stay younger for longer? Far beyond its cultural and social value, speaking multiple languages may protect both brain and body health, slowing down the biological processes of aging ...
Nov 12, 2025
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56
Diseases, Conditions, Syndromes
Newly discovered RNA molecule could limit protein aggregation and prevent neuronal damage
Neurodegenerative diseases, such as Alzheimer's disease and dementia, are medical conditions that entail the progressive loss of neurons and a decline in brain function. Past studies have found a link between these diseases ...
Neuroscience
Brain's mechanical properties influence synapse formation and electrical signal development, study finds
In the brain, highly specific connections called synapses link nerve cells and transmit electrical signals in a targeted manner. Despite decades of research, how synapses form during brain development is still not fully understood.
Nov 13, 2025
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94
Oncology & Cancer
Microfluidic device captures pancreatic cancer's 'seeds of metastasis'
Pinned between the stomach and spine, the pancreas supervises both digestion and blood sugar in the body. It's also the site of an aggressive cancer called pancreatic ductal adenocarcinoma, or PDAC.
Nov 13, 2025
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79
Medical research
Lifelong drugs for autoimmune diseases don't work well. Now scientists are trying something new
Scientists are trying a revolutionary new approach to treat rheumatoid arthritis, multiple sclerosis, lupus and other devastating autoimmune diseases—by reprogramming patients' out-of-whack immune systems.
Nov 13, 2025
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76
Genetics
Genes may predict suicide risk in depression
Depression in young adulthood has a stronger hereditary component and is associated with a higher risk of suicide attempts than depression that begins later in life, according to a new study published in Nature Genetics by ...
Nov 13, 2025
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66
Medical research
Current cannabis blood concentrations used to identify impaired drivers could land innocent people in jail
A new study demonstrates that many regular marijuana users exceed legal blood cannabis limits for U.S. drivers despite showing no evidence of impairment.
Nov 13, 2025
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66
Diseases, Conditions, Syndromes
Typhoid conjugate vaccine demonstrates strong safety and immunogenicity in Phase III trial
Phase III results from a clinical trial of a typhoid conjugate vaccine (TCV), EuTYPH-C Inj. Multi-dose, demonstrate that it is safe and immunogenic in typhoid-endemic populations in sub-Saharan Africa. EuTYPH-C Inj. Multi-dose ...
Nov 13, 2025
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65
Oncology & Cancer
Ultra-processed foods tied to higher rates of early-onset colorectal cancer precursors in adults
Colorectal cancer used to be associated with old age, but diagnoses have become increasingly common in adults aged 50 or younger particularly in high-income countries like the United States. The reason for this trend is unclear, ...
Nov 13, 2025
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46
Overweight & Obesity
Gut bacterium could be key to tackling obesity crisis
The internet, libraries and bookshops are full of plans and advice on how to lose weight, from fad diets to intense exercise routines. But there could be another route to keeping the pounds away, and that's with a gut bacterium ...
Genetics
Changes in a single gene can cause mental illness, study reveals
Until now, researchers assumed that schizophrenia, anxiety disorders or depression arise from an interplay of many different factors, including genetic ones.
Nov 14, 2025
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130
Oncology & Cancer
Combination immunotherapy for rare cancers shows improved efficacy and survival rates
New results from a multicenter clinical trial show that combining immunotherapy drugs nivolumab and ipilimumab significantly improves treatment response in patients with advanced and difficult-to-treat cancers. The trial ...
Nov 14, 2025
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90
Psychology & Psychiatry
Unusual days signal rising migraine risk
Harvard Medical School researchers report that higher day-to-day "trigger surprisal" scores were associated with migraine attacks over the next 12 and 24 hours. In this cohort, higher surprisal scores aligned with greater ...
Diabetes
Big sex differences found in how diet and insulin rewire muscle for better blood sugar
New research found that restricting calories dramatically rewires proteins in rat skeletal muscle, causing molecular changes that boost insulin sensitivity—crucial for blood sugar control in older adults, say scientists ...
Nov 14, 2025
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62
Diseases, Conditions, Syndromes
Ethiopia confirms first Marburg outbreak as WHO lauds country's fast action
Ethiopia on Friday confirmed its first Marburg outbreak after nine cases were identified in a southern region of the country that borders South Sudan.
Nov 14, 2025
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58
Psychology & Psychiatry
Neural 'barcodes': Intra-regional brain dynamics linked to person-specific characteristics
People can think, behave and function very differently. These observed differences are known to be the result of complex interactions between genetics, neurobiological processes and life experiences.
Neuroscience
Software optimizes brain simulations, enabling them to complete complex cognitive tasks
A new software enables brain simulations which both imitate the processes in the brain in detail and can solve challenging cognitive tasks. The program was developed by a research team at the Cluster of Excellence "Machine ...
Nov 15, 2025
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84
Neuroscience
Exercise-induced vesicles boost neuron growth when transplanted into sedentary mice
Researchers at the University of Illinois Urbana-Champaign report that extracellular vesicles released into the bloodstream during aerobic exercise can, on their own, drive a robust increase in adult hippocampal neurogenesis ...
Psychology & Psychiatry
Severe nausea during pregnancy and depression: Study reveals bidirectional association
A recent study conducted at the University of Turku in Finland showed that hyperemesis gravidarum, a severe form of nausea that occurs during pregnancy, is linked to depression. Women who experienced severe nausea were more ...
Nov 15, 2025
0
38
Genetics
New genetic test targets elusive cause of rare movement disorder
Scientists at Brigham and Women's Hospital and Harvard Medical School have developed a targeted genetic test to improve diagnosis for X-linked dystonia-parkinsonism (XDP), a rare and disabling movement disorder that affects ...
Nov 15, 2025
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31
Diseases, Conditions, Syndromes
Low-glutamate diet linked to brain changes and migraine relief in veterans with Gulf War Illness
Veterans with Gulf War Illness experienced significant improvement in migraine symptoms after following a diet low in glutamate, a component of flavor-enhancing food additives commonly found in processed foods, according ...
Nov 15, 2025
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0
Obstetrics & gynaecology
AHA: Study examines impact of adequate prenatal care for congenital heart disease
For cases of mild congenital heart defects (CHDs), more prenatal visits are associated with lower probability of delivery at a cardiac center, according to a study published online Nov. 9 in JAMA Network Open to coincide ...
Nov 15, 2025
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0
Diseases, Conditions, Syndromes
Analysis reveals imaging is overused in diagnosing and managing facial paralysis disorder Bell's palsy
A new study analyzes how imaging is used to diagnose and manage Bell's palsy, a condition that causes sudden weakness in the muscles on one side of the face, usually temporarily. Although diagnostic imaging can help rule ...
Nov 15, 2025
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0
Medications
One of the world's oldest blood pressure drugs may also halt aggressive brain tumor growth
A Penn-led team has revealed how hydralazine, one of the world's oldest blood pressure drugs and a mainstay treatment for preeclampsia, works at the molecular level. In doing so, they made a surprising discovery—it can ...
Nov 16, 2025
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257
Genetics
A time-sensitive genetic switch for sex-specific features of developing neurons
Researchers have identified that the precisely timed transcription of two genes named grim and reaper is responsible for the targeted death of neurons within the developing nervous system of female flies. This group of neurons ...
Nov 16, 2025
0
62
Medical research
Why snake pee may be key to treating kidney stones and gout
Scientists think snakes and lizards could help them find new ways to prevent painful kidney stones and gout in people. And it all owes to an evolutionary trick.
Nov 16, 2025
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43
Medical research
From body fat to bone, experiment offers hope for 'gentle' repair of fractures
Japanese researchers are testing a surprising, minimally invasive way to repair spine fractures.
Nov 16, 2025
0
43
Obstetrics & gynaecology
Study reveals how uterine contractions are regulated by stretch and pressure during childbirth
When labor begins, the uterus must coordinate rhythmic, well-timed contractions to deliver the baby safely. While hormones such as progesterone and oxytocin are key contributors to that process, scientists have long suspected ...
Nov 16, 2025
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34
Diseases, Conditions, Syndromes
Ethiopia confirms outbreak of deadly Marburg virus: Africa CDC
Ethiopia has confirmed an outbreak of the deadly Marburg virus in the south of the country, the Africa Centers for Disease Control and Prevention (Africa CDC) said on Saturday.
Nov 16, 2025
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8
Addiction
Detection is not prevention: Will drug testing drivers really make NZ roads safer?
The government's new mandate to carry out random oral-fluid roadside drug testing marks a milestone in New Zealand's road safety policy.
Nov 16, 2025
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