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Top news stories for the week 50

Monday, Dec 09

Industry-funded study suggests coffee really is the fountain of youth

CNC-Center for Neuroscience and Cell Biology researchers in Portugal report that regular, moderate coffee consumption (three cups per day) not only contributes to a longer life but also enhances the quality of those additional ...

Dec 9, 2024 report

1

338

How the FDA allows companies to add secret ingredients to food

It's a U.S. Food and Drug Administration rule that most Americans know little about, yet gives corporations the license to add potentially harmful ingredients to foods without regulatory oversight or public notice.

Dec 9, 2024

2

286

Ultra-processed foods are making us old beyond our years, study warns

In recent years, ultra-processed food (UPFs) consumption has surged globally, raising concerns about its impact on health.

Dec 9, 2024

0

100

Study identifies 13 proteins strongly associated with brain aging

Thirteen proteins linked to brain aging in humans are identified in a Nature Aging paper. Changes in the concentrations of these blood proteins may peak at 57, 70, and 78 years old in humans, and suggest that these ages may ...

Dec 9, 2024

0

82

Fetal defense: Study reveals early immune protection in the womb

Research from Duke-NUS Medical School has revealed that fetuses are not as defenseless as once thought; they can actually fight infections from within the womb. This new understanding could significantly change the way doctors ...

Dec 9, 2024

0

79

Stomach cancer can be caused by a bacterium carried by half the people on Earth, but screening for it isn't easy

In 1982, two Australian physician-scientists discovered a spiral-shaped bacterium whose form not only dictated function, but its capacity to dwell in the human body's harshest chemical environment. These two clues would help ...

Dec 9, 2024 feature

0

77

Universal genetic testing of breast cancer patients could improve treatment plans

A new study demonstrates how universal genetic testing for breast cancer can ensure no patient is missed for advanced therapies.

Dec 9, 2024

0

57

Tuesday, Dec 10

New look at dopamine signaling suggests neuroscientists' model of reinforcement learning may need to be revised

Dopamine is a powerful signal in the brain, influencing our moods, motivations, movements, and more. The neurotransmitter is crucial for reward-based learning, a function that may be disrupted in a number of psychiatric conditions, ...

Dec 10, 2024

0

188

Brain mechanisms underpinning loss of consciousness identified

The shift from an awake state to unconsciousness is a phenomenon that has long captured the interest of scientists and philosophers alike, but how it happens has remained a mystery—until now. Through studies on rats, a ...

Dec 10, 2024

0

128

Neuroscientists develop machine learning models to predict human intelligence

AI can predict human intelligence by looking at the connections of a working human brain. Neuroscientists can predict intelligence from brain structure and function—to a point. Previous studies have suggested that intelligence ...

Dec 10, 2024

0

117

People with a positive attitude are built differently, suggests study

A positive attitude, what researchers call a "growth mindset" or belief in growth, is associated with both higher willpower and passion, according to a new large study.

Dec 10, 2024

0

86

How chemotherapy primes ovarian cancer for immune-based therapies

Researchers have discovered how chemotherapy can change tumors, making them more vulnerable to new types of treatments. These findings could lead to personalized therapies that target the right patients at the right time, ...

Dec 10, 2024

0

63

Cardiorespiratory fitness linked to preservation of cognitive abilities in older age

Higher cardiorespiratory fitness in older age is linked to the preservation of several core aspects of cognitive ability that are vulnerable to age-related decline, finds research published online in the British Journal of ...

Dec 10, 2024

0

61

'Missing link' between brain and body inflammatory signals identified in the skull

Research from the Institute of Psychiatry, Psychology & Neuroscience (IoPPN) at King's College London provides valuable insights into the brain-body immune connection, identifying key communication hubs in the dural sinuses ...

Dec 10, 2024

0

59

Wednesday, Dec 11

A new class of antivirals could help prevent future pandemics

The arrival of Paxlovid in December 2021 marked another turning point in the COVID-19 pandemic—an effective antiviral that has since successfully treated millions. But like many antivirals before it, scientists know that ...

Dec 11, 2024

0

165

You are what you eat…and so are your grandkids? Study links poor diet to multi-generational health issues

You are what you eat, as the adage goes. But a new study from Tulane University found that what's missing from your diet may also impact the health of your descendants across multiple generations.

Dec 11, 2024

0

100

AI thought knee X-rays show if you drink beer—they don't

Artificial intelligence can be a useful tool to health care professionals and researchers when it comes to interpreting diagnostic images. Where a radiologist can identify fractures and other abnormalities from an X-ray, ...

Dec 11, 2024

0

87

Study shows that 2D neural geometry underlies hierarchical organization of sequences in human working memory

The human brain can store salient information, such as numbers, instructions or other details that are important for completing a task, for brief periods of time, via a cognitive system known as working memory (WM). This ...

Dec 11, 2024 feature

0

74

Research reveals new insights about how 'bad' cholesterol works in the body

National Institute of Health (NIH) scientists have made a significant breakthrough in understanding how "bad" cholesterol, known as low-density lipoprotein-cholesterol or LDL-C, builds up in the body. The researchers were ...

Dec 11, 2024

0

66

Researchers discover zip code that allows proteins to hitch a ride around the body

Researchers at The Ottawa Hospital and the University of Ottawa have discovered an 18-digit code that allows proteins to attach themselves to exosomes—tiny pinched-off pieces of cells that travel around the body and deliver ...

Dec 11, 2024

0

58

Sepsis trial finds better biomarker guidance reduces antibiotic use

The ADAPT-Sepsis research group has demonstrated that using procalcitonin (PCT) as a biomarker to guide antibiotic duration in critically ill adults with suspected sepsis can significantly reduce treatment length without ...

Dec 11, 2024 report

0

56

Thursday, Dec 12

Immune system 'tuning dial' sheds light on why COVID makes some sicker than others

Why does the COVID-19 virus make some people sicker than others? For years, scientists have looked to a critical piece of immune system machinery—known as the interferon pathway—for answers. There, when our cells sense ...

Dec 12, 2024

0

90

An intellectually stimulating lifestyle is key to fighting Huntington's disease, finds study

An intellectually active lifestyle—in other words, the so-called cognitive reserve—has a protective effect on the progression and severity of the symptoms of motor, cognitive and psychiatric impairments in Huntington's ...

Dec 12, 2024

0

63

Self-esteem influences self-related representations in others' brains: Observing 'self-recapitulation' through MRIs

Different people have distinct and subjective perceptions of their personal worth, broadly referred to as "self-esteem." For decades, neuroscientists and psychologists have tried to pinpoint the neural basis of self-esteem ...

Dec 12, 2024 feature

0

60

Tiny sensors offer new hope for faster bone injury recovery

Tiny implantable sensors are helping University of Oregon researchers optimize the process of recovery from severe bone injuries.

Dec 12, 2024

0

52

Scientists find promising new target for antidepressants—in the gut

Researchers have discovered new connections between the gut and brain that hold promise for more targeted treatments for depression and anxiety, and could help prevent digestive issues in children by limiting the transmission ...

Dec 12, 2024

0

52

Key brain mechanism provides new insights into empathy

A specific brain mechanism modulates how animals respond empathetically to others' emotions. This is the latest finding from the research unit Genetics of Cognition, led by Francesco Papaleo, Principal Investigator at the ...

Dec 12, 2024

0

51

Repurposed drug blocks key inflammatory pathways in psoriasis mouse models

A team of skin disease specialists has found that a derivative of the diuretic drug benzamil can be used to block key inflammatory pathways in psoriasis mouse models. In their paper published in the journal Science Translational ...

Dec 12, 2024 report

1

50

Friday, Dec 13

Japanese researchers test pioneering drug to regrow teeth

People with missing teeth may be able to grow new ones, say Japanese dentists testing a pioneering drug they hope will offer an alternative to dentures and implants.

Dec 13, 2024

0

255

Light-induced gene therapy disables cancer cells' mitochondria

Researchers are shining a light on cancer cells' energy centers—literally—to damage these power sources and trigger widespread cancer cell death. In a new study, scientists combined strategies to deliver energy-disrupting ...

Dec 13, 2024

0

133

An unexpected side effect: Intermittent fasting may slow hair regrowth

Intermittent fasting has proven benefits for metabolic health, but a new study shows that it could slow hair growth—at least in mice. Researchers report December 13 in the journal Cell that mice subjected to intermittent ...

Dec 13, 2024

0

97

Review suggests kindness could make for better health care

A researcher has defined kindness and believes this could hold the key to better communication within health care teams and improve care for patients.

Dec 13, 2024

0

82

AI-powered blood test can spot earliest sign of breast cancer

A new screening method that combines laser analysis with a type of AI is the first of its kind to identify patients in the earliest stage of breast cancer, a study suggests.

Dec 13, 2024

0

53

From Yemen to France, research reveals spread of highly drug-resistant cholera strain

Scientists from the National Reference Center for Vibrios and Cholera at the Institut Pasteur, in collaboration with the Center hospitalier de Mayotte, have revealed the spread of a highly drug-resistant cholera strain. The ...

Dec 13, 2024

0

51

Gut-immune connection could boost immunotherapy effectiveness in recurrent ovarian cancer

A study led by Roswell Park Comprehensive Cancer Center provides new insight into the complex interactions of the "tumor-immune-gut axis," and its role in influencing immunotherapy responses in patients with recurrent ovarian ...

Dec 13, 2024

0

50

Saturday, Dec 14

Refrigerated raw milk harbors infectious flu virus for 5 days, study finds

Raw milk, hailed by some as a natural and nutritious alternative to pasteurized dairy, may come with hidden dangers, according to a new Stanford University study. The research, published December 12 in Environmental Science ...

Dec 14, 2024

1

101

What is the drug captagon and how is it linked to Syria's fallen Assad regime?

After the fall of the al-Assad regime in Syria, large stockpiles of the illicit drug captagon have reportedly been uncovered.

Dec 14, 2024

1

12

Leaded petrol probably affected the mental health of millions of Americans: Study

In its various forms, lead has been used in many everyday products for millennia. The Romans even added it to wine as a sweetener. Its most widespread use, however, was its addition to petrol. And it is this use that has ...

Dec 14, 2024

1

6

HIF1α identified as crucial for T cell activation in oxygen-poor tumors

Immune checkpoint blockades, or ICBs, have revolutionized treatment for various advanced cancers. However, their effectiveness has plateaued due to therapeutic resistance that renders tumor-infiltrating lymphocytes, or TILs, ...

Dec 14, 2024

0

4

Will we have a COVID wave, spike or blip this Christmas? It depends where you live

As the holiday season approaches, COVID cases are rising again in Australia, particularly in Victoria and Tasmania.

Dec 14, 2024

0

3

Chemotherapy shortage did not increase cancer patient mortality

During a shortage of the generic platinum chemotherapy drugs cisplatin and carboplatin that began in early 2023, there was no difference in mortality rates among patients with advanced cancer compared to the previous year, ...

Dec 14, 2024

0

0

Collaborative seeks to change children's lives through genetics

A 14-year-old girl was having back pain after a car accident and visited an orthopedic clinic at Boston Children's Hospital. In the course of her care, she joined the Children's Rare Disease Collaborative (CRDC), a hospital-wide ...

Dec 14, 2024

0

0

Sunday, Dec 15

GDF-15 inhibitors show promise against hard-to-treat tumors in clinical trial

A multi-institutional clinical trial led by the University of Navarra, Spain, found that blocking growth differentiation factor 15 (GDF-15) can counteract resistance to anti-PD-1 and anti-PD-L1 therapies in solid tumors.

Dec 15, 2024 report

0

58

Melanoma survival linked to tumor thickness

Researchers at The University of Sydney have identified a significant increase in melanoma-related death risk for patients with thin primary tumors measuring between 0.8 and 1.0 millimeters compared to those with thinner ...

Dec 15, 2024 report

0

47

Opioid abuse can change the brain

"This is your brain on drugs," the old anti-drug admonition says, and now a new study has found there's something to that chestnut.

Dec 15, 2024

0

30

Been drinking and your heart's fluttering? You may have 'holiday heart'

It's the time of year for workplace Christmas parties, and gatherings with family and friends. Maybe you'll drink a lot in one go.

Dec 15, 2024

0

15

From bells to choirs, different 'timbres' ring in the Christmas holiday season

Concerts and radio stations at this time of year are filled with both Christmas and winter holiday music.

Dec 15, 2024

0

3

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