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Newsdesk — page 5 | CountOn2 News

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Newsdesk

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Health

Scientists find the strength training “sweet spot” for a longer life

Just a couple of hours of strength training each week could have surprisingly powerful effects on longevity. People who lifted weights for around 90 to 120 minutes weekly had a 13% lower risk of dying early, with especially large reductions in deaths from cardiovascular and neurological diseases. Pairing strength training with regular aerobic exercise was even more impressive, lowering overall death risk by about 45%.

NewsdeskAug 13, 20264 min read

Health

For decades, we were told to choose low-fat dairy. New research says otherwise

Full-fat dairy may be healthier than conventional advice has suggested. In a 12-week study, adults who ate three servings a day showed no meaningful increases in weight, body fat, cholesterol, or insulin resistance. They also experienced improved blood pressure and consumed more calcium, protein, and vitamin D. The findings suggest dairy’s complex structure may matter more than its saturated fat content alone.

NewsdeskAug 13, 20263 min read

Health

A daily glass of fruit juice was linked to lower depression scores

A daily glass of 100% fruit juice or a smoothie may help improve more than just fruit intake. In a small four-week trial, participants who added one to a healthier diet showed significantly lower depression scores, hinting that a simple dietary change could also support mental well-being.

NewsdeskAug 13, 20264 min read

Health

1 in 5 people may carry this hidden genetic heart risk

Very high levels of the inherited cholesterol-related particle Lp(a) were linked to a greater risk of major cardiovascular events, particularly stroke and cardiovascular death, in a study of more than 20,000 people. Since elevated Lp(a) often flies completely under the radar, a simple blood test could uncover hidden heart risk that standard cholesterol testing may miss.

NewsdeskAug 13, 20263 min read

Health

Wine, beer, or spirits? Massive study finds a surprising health divide

A study tracking more than 340,000 adults for over a decade found that heavy drinking increased the risk of death regardless of beverage type. At lower levels, however, the picture became more surprising: beer, cider, and spirits were linked to higher mortality, while wine was associated with lower risk. Moderate wine drinkers had a 21% lower risk of cardiovascular death compared with people who rarely or never drank.

NewsdeskAug 13, 20264 min read

Health

A simple blood test could detect multiple cancers and reveal where they started

UCLA researchers have created a blood test that can scan DNA signals for multiple cancers, liver diseases, and signs of organ damage—and even indicate where trouble may be developing. Early results suggest the inexpensive approach could bring medicine closer to a single blood test capable of catching a wide range of diseases before they become harder to treat.

NewsdeskAug 13, 20264 min read

Health

New GLP-1 pill delivers up to 12% weight loss in 36 weeks

An experimental GLP-1 pill helped people with obesity or overweight lose as much as 12.1% of their body weight in just 36 weeks. Unlike injectable drugs such as Wegovy and Ozempic, aleniglipron is a small molecule that can be taken once daily with or without food and could potentially be produced more easily at scale.

NewsdeskAug 13, 20262 min read

Health

Marine heatwaves are harming human health in surprising ways

Marine heatwaves are emerging as a threat not just to coral reefs and fisheries, but to human health and well-being. Researchers warn that unusually hot oceans can fuel stronger storms, trigger harmful algal blooms, reduce seafood supplies, disrupt livelihoods, and contribute to anxiety, grief, and depression in coastal communities.

NewsdeskAug 13, 20263 min read

Health

Inside Health - A new era for type 1 diabetes treatment - BBC Sounds

Plus, how much do people really change their habits for a free coffee?

NewsdeskAug 13, 20261 min read

Science

A protein older than blood circulation could transform cancer immunotherapy

A protein that evolved long before the human circulatory system may help unlock stronger cancer treatments. When C3 is produced inside tumors, it blocks immune-suppressing cells and gives immunotherapy a better chance to work. Researchers were even able to recreate this effect in resistant tumors, significantly improving survival in mice.

NewsdeskAug 13, 20263 min read

Science

Earth’s molten core suddenly reversed direction — and scientists don’t know why

Earth’s molten iron core unexpectedly reversed direction beneath the Pacific, revealing a dramatic change in the hidden engine that creates our planet’s magnetic field. Satellite data suggest the surge is already weakening, raising the possibility that the deep-Earth upheaval is part of a mysterious natural cycle.

NewsdeskAug 13, 20265 min read

Science

Wearable ultrasound patch boosts REM sleep without drugs or surgery

A new wearable patch may help people reach REM sleep faster and remain there longer without medication or surgery. In a study of 28 participants, the device shortened the time to REM by 43 minutes and extended it by about 16 minutes. Researchers also observed signs of improved stress regulation and changes in brain circuits tied to emotion.

NewsdeskAug 13, 20263 min read

Science

Scientists find unexpected life on Ötzi the Iceman’s 5,300-year-old body

More than 5,000 years after his death, Ötzi the Iceman is still hosting a remarkable mix of ancient and modern microorganisms. Researchers separated microbes that lived in his body during his lifetime from those that arrived after his death, uncovering traces of his original gut bacteria and cold-loving yeasts that may have survived alongside him in the glacier for millennia.

NewsdeskAug 13, 20263 min read

Science

Teen cannabis use linked to slower memory and thinking growth

Teens who start using cannabis may experience slower growth in memory, attention, language, and processing speed. Their abilities often developed normally at first, then began leveling off while nonusers continued improving. THC appeared to be the most likely driver, especially for worsening memory.

NewsdeskAug 13, 20263 min read

Science

Dinosaurs became giants — so why did they never become tiny?

Dinosaurs conquered the land at enormous sizes, but strangely, they almost never evolved into truly tiny animals. New research suggests that physiology alone can’t explain this missing miniature end of the dinosaur spectrum—and that early mammals may have been partly responsible. While dinosaurs kept mammals from becoming large, small mammals may have returned the favor by occupying ecological niches that could otherwise have supported mouse-sized dinosaurs.

NewsdeskAug 13, 20264 min read

Science

The dodo bird had a secret sensory world scientists are only now discovering

CT scans of the world’s rarest dodo skulls suggest the extinct bird may have had a stronger sense of smell, a highly sensitive beak, and a lifestyle that extended into dawn and dusk. The discoveries are helping overturn centuries-old myths and reveal a far more complex animal than the famously “dumb” dodo of popular imagination.

NewsdeskAug 13, 20264 min read

Science

Stress can scramble your brain’s internal GPS, MRI study finds

Stress may literally scramble the brain’s internal GPS. Researchers found that cortisol, a hormone released during stress, made people significantly worse at navigating a virtual environment and disrupted the precise activity of grid cells, specialized brain cells that help us understand where we are in space. When landmarks were missing, this navigation system nearly stopped functioning, while another brain region appeared to step in and compensate.

NewsdeskAug 13, 20263 min read

Science

Scientists discover bacteria that lock toxic uranium into a stable form

Deep underground, bacteria may be capable of doing something remarkable: trapping toxic uranium before it spreads. When researchers fed microbes in uranium-contaminated mine water with glycerol, about 95% of the dissolved uranium disappeared within 130 days. The bacteria helped convert it into an unusually stable uranium compound that had rarely been observed before.

NewsdeskAug 13, 20264 min read