You don’t have to lose weight to lower your diabetes risk, scientists say

A major study from Tübingen found that prediabetic individuals who normalized their blood sugar through healthy habits — even without shedding pounds — cut their risk of type 2 diabetes by 71%. Researchers discovered that improved fat distribution, particularly less abdominal fat, was key. The findings suggest that focusing solely on weight loss may overlook the true drivers of diabetes prevention.

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Brain cancer that eats the skull stuns scientists

A new study shows glioblastoma isn’t confined to the brain—it erodes the skull and hijacks the immune system within skull marrow. The cancer opens channels that let inflammatory cells enter the brain, fueling its deadly progression. Even drugs meant to protect bones can make things worse, highlighting the need for therapies that target both brain and bone. The discovery reframes glioblastoma as a whole-body disease, not just a brain disorder.

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Why the brain’s GPS fails with age, and how some minds defy it

Stanford scientists found that aging disrupts the brain’s internal navigation system in mice, mirroring spatial memory decline in humans. Older mice struggled to recall familiar locations, while a few “super-agers” retained youthful brain patterns. Genetic clues suggest some animals, and people, may be naturally resistant to cognitive aging. The discovery could pave the way for preventing memory loss in old age.

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Hidden cellular “power switch” could transform Parkinson’s treatment

Researchers uncovered a key cellular regulator, PP2A-B55alpha, that controls both the cleanup of damaged mitochondria and the creation of new ones. In Parkinson’s disease models, reducing this regulator improved symptoms and mitochondrial health. The findings could inspire new drugs for Parkinson’s, mitochondrial disorders, and even cancer.

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Think light drinking protects your brain? Think again

A massive new study combining observational and genetic data overturns the long-held belief that light drinking protects the brain. Researchers found that dementia risk rises in direct proportion to alcohol consumption, with no safe level identified.

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This new semaglutide dose helped nearly half of patients lose 20% body weight

The STEP UP trials revealed that a 7.2 mg dose of semaglutide led to greater weight loss than the currently approved 2.4 mg dose. Nearly half of participants lost 20% or more of their body weight, while also improving metabolic health. Side effects were mostly mild and temporary. Researchers say this could reshape obesity treatment if confirmed in longer-term studies.

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Hidden cellular “power switch” could transform Parkinson’s treatment

Researchers uncovered a key cellular regulator, PP2A-B55alpha, that controls both the cleanup of damaged mitochondria and the creation of new ones. In Parkinson’s disease models, reducing this regulator improved symptoms and mitochondrial health. The findings could inspire new drugs for Parkinson’s, mitochondrial disorders, and even cancer.

from Top Health News -- ScienceDaily https://ift.tt/skUVLDj