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Top news stories for the week 44

Monday, Oct 27

Breastfeeding linked to lasting immune protection against breast cancer

A team of researchers led by Peter Mac's Professor Sherene Loi has uncovered how having children and breastfeeding reduces a woman's long-term risk of breast cancer.

Oct 27, 2025

0

234

Rebalancing the gut: How AI solved a 25-year Crohn's disease mystery

UC San Diego researchers have settled a decades-long debate surrounding the role of the first Crohn's disease gene to be associated with a heightened risk for developing the auto-immune condition.

Oct 27, 2025

0

187

Influenza A-infected volunteers display different patterns of expelling viruses into environment

Late in the Middle Ages, Italian stargazers gave a name to the annual contagion that rolled around each year like clockwork. It was a name that stuck, and to this day is known as influenza.

Oct 27, 2025 feature

0

131

Bisphenol A causes sex-specific changes in metabolism and the immune system, study reveals

Even small amounts of bisphenol A can lead to long-term health effects. When researchers studied adult rats exposed in the fetal stage, they found that females had developed a more masculine and males a more feminine gene ...

Oct 27, 2025

0

123

A 'mirror' amino acid selectively impairs growth of certain tumors

Researchers from UNIGE and Marburg show that D-cysteine, the "mirror" form of cysteine, selectively targets certain cancer cells.

Oct 27, 2025

0

92

One long walk a day may cut risk of death and cardiovascular disease better than multiple short walks

A prospective population-based cohort study of suboptimally active adults (

Oct 27, 2025

0

77

Potential cancer outcome differences among psoriasis biologics found

Copenhagen University Hospital–Herlev and Gentofte led a nationwide registry study that the authors claim shows a "pattern suggesting" a lower five-year risk of any first cancer (excluding non-melanoma skin cancer) with ...

Oct 27, 2025 report

0

69

Tuesday, Oct 28

Fat breakdown in skin cells restarts hair growth in mice

National Taiwan University researchers, with collaborators in Taiwan and the US, report that adipocyte lipolysis activates epithelial hair follicle stem cells and drives hair regeneration via monounsaturated fatty acid signaling.

Oct 28, 2025 report

0

88

Drugs approved for treating pain may also reduce bone cancer growth

Peripheral afferent neurons—nerves that send signals from all areas of the body to the central nervous system (brain and spinal cord)—are known to infiltrate and grow within malignant bone tumors called osteosarcomas, ...

Oct 28, 2025

0

82

Ultrasound probe can image an entire organ in 4D

For the first time, a team of Inserm researchers from the Physics for Medicine Institute (Inserm/ESPCI Paris-PSL/CNRS) has succeeded in mapping the blood flow of an entire organ in animals (heart, kidney and liver) with great ...

Oct 28, 2025

0

76

A one-shot flu vaccine can beat avian flu strains before they appear

Scientists have developed a proof-of-concept vaccine that could offer broad protection against all known and emerging variants of highly pathogenic avian influenza (A5) viruses, including those that have yet to evolve. This ...

Oct 28, 2025 report

0

76

Researchers identify tipping point that leads to rapid sleep onset

In the new study, researchers demonstrated that the human brain falls asleep abruptly, rather than gradually, with a "tipping point" marking the transition from wakefulness into sleep. They were then able to predict the momentary ...

Oct 28, 2025

0

66

Early cannabis use linked to health problems

Adolescents who start using cannabis early and often are more likely to need health care for both mental and physical problems as they enter adulthood, according to a new study led by McGill University researchers.

Oct 28, 2025

0

63

Reducing use of sleep drugs could improve quality of life and longevity in older adults

Millions of older Americans suffering from insomnia regularly use prescription sleep medications, despite the risk of serious side effects—such as falls, broken bones, cognitive impairment and dependence—and warnings ...

Oct 28, 2025

0

59

Wednesday, Oct 29

Oxytocin helps synchronize heartbeat and breathing, newly uncovered neural pathway suggests

When humans and other animals are in a calm state, they tend to breathe slower, and their heartbeat also slows down. Contrarily, when they are exercising or under psychological stress, both their breath and heartbeat tend ...

Oct 29, 2025 feature

1

104

Attention lapses due to sleep deprivation coincide with a flushing of fluid from the brain, research reveals

Nearly everyone has experienced it: After a night of poor sleep, you don't feel as alert as you should. Your brain might seem foggy, and your mind drifts off when you should be paying attention.

Oct 29, 2025

0

90

The minimal circuit of the circadian clock: Just four neurons keep fruit flies on schedule, study finds

A tiny neural network is sufficient to control the daily rhythm of the fruit fly, Drosophila melanogaster. Researchers at the University of Würzburg have shown that only four specialized nerve cells are necessary to drive ...

Oct 29, 2025

0

75

Detailed brain growth atlas in mice offers insights into brain development

Brain growth and maturation doesn't progress in a linear, stepwise fashion. Instead, it's a dynamic, choreographed sequence that shifts in response to genetics and external stimuli like sight and sound. This is the first ...

Oct 29, 2025

0

58

MAGIC: AI-assisted 'laser tag' illuminates cancer origins

The human body relies on precise genetic instructions to function, and cancer begins when these instructions get scrambled. When cells accumulate genetic errors over time, they can break free of the normal controls on their ...

Oct 29, 2025

0

54

Immune cell subset reveals biological age beyond chronological years

Ben-Gurion University of the Negev's Prof. Alon Monsonego had discovered that T helper lymphocytes, a subset of immune cells which regulate immunity, undergo functional changes with age. These changes can indicate the biological ...

Oct 29, 2025

0

53

Changing the 'packaging' of DNA in neurons can turn memories on or off in mice

Our experiences leave traces in the brain, stored in small groups of cells called engrams. Engrams are thought to hold the information of a memory and are reactivated when we remember, which makes them very interesting for ...

Oct 29, 2025

0

52

Thursday, Oct 30

Previously unrecognized hub in the brain's lymphatic drainage system may assist with clearing waste

How does the brain take out its trash? That is the job of the brain's lymphatic drainage system, and efforts to understand how it works have pushed the boundaries of brain-imaging technologies.

Oct 30, 2025

1

201

Decoded circuits reveal how brain cell networks stabilize memory formation

Newly decoded brain circuits make memories more stable as part of learning, according to a study led by NYU Langone Health researchers.

Oct 30, 2025

0

74

Scientists on 'urgent' quest to explain consciousness as AI gathers pace

As AI—and the ethical debate surrounding it—accelerates, scientists argue that understanding consciousness is now more urgent than ever.

Oct 30, 2025

0

66

An app, an Apple Watch and AI: A new way for researchers to study sleep health

An app that turns consumer Apple Watches into tools for highly sophisticated sleep stage monitoring was developed by a team of researchers led by professor Joyita Dutta at the University of Massachusetts Amherst. The researchers ...

Oct 30, 2025

0

53

Hundreds of animal studies on brain damage after stroke flagged for problematic images

A new study has identified over 240 scientific publications on animal models of hemorrhagic stroke that contain potentially problematic images, thereby raising concerns about the trustworthiness of the body of literature ...

Oct 30, 2025

0

40

Americans have widespread misbeliefs about the cancer risks of alcohol, study finds

Despite clear evidence linking alcohol use to increased cancer risks, public awareness of this connection remains low in the U.S., according to new research from The University of Texas MD Anderson Cancer Center. Researchers ...

Oct 30, 2025

1

38

How Staph aureus reshapes immune system in children with rare genetic skin disorder

Scientists have demonstrated for the first time how Staphylococcus aureus—a leading cause of skin infections—reshapes the immune system's inflammatory responses in children with a rare skin condition.

Oct 30, 2025 feature

0

34

Friday, Oct 31

After distractions, rotating brain waves may help thought circle back to the task

As sure as the brain is prone to distraction, it can also return its focus to the task at hand. A new study in animals by scientists at the Picower Institute for Learning and Memory of MIT shows how that seems to happen: ...

Oct 31, 2025

0

109

Patient voices reveal the reality of living with the chronic sleep disorder idiopathic hypersomnia

Idiopathic hypersomnia (IH) is a rare, chronic neurological disorder that causes people to feel excessively sleepy during the day, even after getting a full night's rest. Other symptoms include severe difficulty waking up ...

Oct 31, 2025 report

0

106

Could a cancer vaccine developed long ago hold the key to long-term survival in breast cancer?

A small group of women with advanced breast cancer received a vaccine via a clinical trial more than 20 years ago. Today, they're all still alive. Scientists say that kind of long-term survival is almost unheard of for patients ...

Oct 31, 2025

0

61

Restoring youthful microvascular function to aging skin

The New York University School of Medicine and collaborators found that capillary-associated macrophages in skin decline with age, weakening microvascular repair and reducing perfusion in mice, with skin restoration possible ...

Oct 31, 2025 report

0

55

New clue to ALS and FTD: Faulty protein disrupts brain's 'brake' system

A new Northwestern University study using patient nervous tissue and lab-grown human neurons has uncovered how a key disease protein, TDP-43, drives overactive nerve cells in the neurodegenerative diseases amyotrophic lateral ...

Oct 31, 2025

0

40

Couple conceive with the help of an AI-guided sperm recovery method

After trying to start a family for nearly two decades, a couple has conceived with the help of researchers at the Columbia University Fertility Center. The case is described in a research letter published in The Lancet. It ...

Oct 31, 2025

0

31

As Medicaid work requirements loom, study finds links between coverage, better health and higher employment

Recent federal legislation requires the 40 states that have expanded Medicaid under the Affordable Care Act to start implementing work requirements in their Medicaid programs by January 2027.

Oct 31, 2025

0

26

Saturday, Nov 01

Astringent, sharper mind: Flavanols can trigger brain activity for memory and stress response

Astringency is a dry, puckering, rough, or sandpapery sensation in the mouth caused by plant-derived polyphenols. Polyphenols, including flavanols, are well known for risk reduction in cardiovascular diseases.

Nov 1, 2025

0

190

Wave of RSV, particularly dangerous for babies, washing over US: Doctors urge vaccination

A wave of the highly contagious respiratory syncytial virus is beginning to wash over the United States—sending greater numbers of babies and toddlers to the hospital, recent data show.

Nov 1, 2025

0

2

FDA to ease copycat drug rules, speeding access to cheaper drugs

The U.S. Food and Drug Administration (FDA) announced Wednesday that it will relax certain rules for approving low-cost versions of some high-priced medications, in an effort to speed up access to cheaper alternatives.

Nov 1, 2025

0

1

How common is sexually abusive behavior between children? How should daycare centers respond?

Parents have spoken about harrowing cases of their young children being abused by other children in daycare centers, as part of an ABC investigation into the New South Wales sector.

Nov 1, 2025

0

1

Nature walks are good for you, but can a city stroll be just as good?

With every step on the trail, fallen leaves crinkle underfoot. The path follows a stream, rushing and burbling over smooth, gray stones, while a breeze rustles the branches overhead. Now compare that blissful mental image ...

Nov 1, 2025

0

1

Doctor tripped up by $64k bill for ankle surgery and hospital stay

Physician Lauren Hughes was heading to see patients at a clinic about 20 miles from her Denver home in February when another driver T-boned her Subaru, totaling it. She was taken by ambulance to the closest hospital, Platte ...

Nov 1, 2025

0

0

Measles outbreak in Utah, Arizona grows to over 130 cases

A measles outbreak in parts of Utah and Arizona not far from Las Vegas has grown to over 130 cases, according to public health officials in both states.

Nov 1, 2025

0

0

Sunday, Nov 02

Can a weight loss and diabetes drug treat long COVID?

Scripps Research in La Jolla announce a new clinical trial that will assess the effectiveness of using drugs approved for diabetes treatment and weight loss to treat long COVID-19, the debilitating chronic condition diagnosed ...

22 hours ago

0

50

Study finds surprising link between gut and brain rhythms

The human body is packed with natural rhythms, from your sleep-wake cycle to the steady pulsing of blood through the brain to heart rate and pulse.

17 hours ago

0

47

Migraines and headaches are a global burden that needs greater recognition, international study finds

Modern lifestyles including stress, sedentary activity, caffeine, alcohol and poor-quality sleep remain widespread triggers for migraines and headaches, which affect more than a third of the world's population, according ...

Nov 2, 2025

0

42

Long-term study challenges assumptions about epilepsy recovery

Patients with treatment-resistant epilepsy often cycle through multiple medications as they seek relief from the seizures that disrupt their lives. Yet in many cases, these drugs offer little benefit, reinforcing the long-held ...

20 hours ago

0

33

'Molecular glues' and 'bumpers' offer new hope for precision medicines

New research led by the University of Minnesota Medical School demonstrates that molecules acting as "molecular bumpers" and "molecular glues" can rewire G protein-coupled receptor (GPCR) signaling, turning the cell's busiest ...

16 hours ago

0

13

Common gene variant linked to higher heart disease risk in people with African ancestry

Dilated cardiomyopathy (DCM), a leading cause of heart failure, is twice as common in Black individuals as in white individuals. This excess risk is not fully explained by known risk factors such as high blood pressure or ...

Nov 2, 2025

0

8

Scientists find the genetic clues that let humans walk on two legs

Two small changes in human DNA may have played a big role in helping our ancestors walk upright, researchers say.

17 hours ago

0

1

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