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The gene that hijacks fear: How PTEN rewires the brain’s anxiety circuit

Science » Science Daily - Health » The gene that hijacks fear: How PTEN rewires the brain’s anxiety circuit

Posted date: 2025-06-29 09:06:58

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This brain scan sees Alzheimer’s coming—but only in some brains
USC researchers have found a promising new brain scan marker that could better detect Alzheimer’s risk — but only for some. The tau-based benchmark works in Hispanic and White populations when ...

Posted 2025-06-29 08:13:30

Brain scan breakthrough reveals why Parkinson’s drugs don’t always work
Researchers are using an advanced brain imaging method called MEG to understand why Parkinson’s drug levodopa doesn’t work equally well for everyone. By mapping patients’ brain signals ...

Posted 2025-06-29 08:35:07

Fire smoke exposure leaves toxic metals and lasting immune changes
Smoke from wildfires and structural fires doesn t just irritate lungs it actually changes your immune system. Harvard scientists found that even healthy people exposed to smoke showed signs of ...

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Scientists discover ‘off switch’ enzyme that could stop heart disease and diabetes
Researchers at UT Arlington have discovered a key enzyme, IDO1, that when blocked, helps immune cells regain their ability to properly process cholesterol—something that breaks down during ...

Posted 2025-06-30 07:57:41

Ancient DNA reveals leprosy hit the Americas long before colonization
Leprosy’s tale stretches from 5,000-year-old skeletons in Eurasia to a startling 4,000-year-old case in Chile, revealing that the rare strain Mycobacterium lepromatosis haunted the Americas ...

Posted 2025-06-30 12:07:04

This AI tracks lung tumors as you breathe — and it might save lives
An AI system called iSeg is reshaping radiation oncology by automatically outlining lung tumors in 3D as they shift with each breath. Trained on scans from nine hospitals, the tool matched expert ...

Posted 2025-06-30 13:05:57

Scientists just found a sugar switch that protects your brain from Alzheimer's
Scientists have uncovered a surprising sugar-related mechanism inside brain cells that could transform how we fight Alzheimer’s and other dementias. It turns out neurons don’t just store sugar ...

Posted 2025-06-30 14:04:28

Why asthma often comes back—even with powerful drugs
Biological drugs have been a game-changer for people with severe asthma, helping them breathe easier and live more comfortably. But researchers at Karolinska Institutet have uncovered a surprising ...

Posted 2025-06-27 15:42:19

Candy colors, THC inside: How cannabis edibles are tricking teen brains
Teens are being misled by cannabis edibles dressed up like health foods. Bright colors, fruit imagery, and words like vegan make these products look fun, natural, and safe even when they re not. A ...

Posted 2025-06-28 06:38:56

Scientists turn beer yeast into mini factories for smart drugs
A team of researchers has turned ordinary yeast into tiny, glowing drug factories, creating and testing billions of peptide-based compounds in record time. This green-tech breakthrough could ...

Posted 2025-06-28 14:06:20