Scientists just found a hidden “drain” inside the human brain

A hidden waste-removal pathway in the brain has finally been caught in action. Using cutting-edge MRI scans, researchers discovered that fluid flows along the middle meningeal artery in a slow, lymphatic-like pattern—very different from blood. This confirms the presence of a previously unknown drainage hub in humans. The finding could transform how scientists approach brain aging, injury, and diseases like Alzheimer’s.

from Latest Science News -- ScienceDaily https://ift.tt/hGp4sbB

Scientists just found a hidden “drain” inside the human brain

A hidden waste-removal pathway in the brain has finally been caught in action. Using cutting-edge MRI scans, researchers discovered that fluid flows along the middle meningeal artery in a slow, lymphatic-like pattern—very different from blood. This confirms the presence of a previously unknown drainage hub in humans. The finding could transform how scientists approach brain aging, injury, and diseases like Alzheimer’s.

from Top Health News -- ScienceDaily https://ift.tt/hGp4sbB

The hidden tradeoff behind today’s most popular weight loss drugs

Weight loss drugs and bariatric surgery may work differently, but they lead to surprisingly similar results inside the body. Both significantly reduce fat while also causing a modest loss of muscle, reshaping overall body composition. Since muscle helps protect against early death, this balance matters more than the number on the scale. The study suggests these treatments improve health—but not without trade-offs.

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Your DNA has a secret “second code” that decides which genes get silenced

Not all parts of our genetic code are equal, even when they appear to say the same thing. Scientists have discovered that cells can detect less efficient genetic instructions and selectively silence them. A protein called DHX29 plays a key role in this process by identifying and suppressing weaker messages. This finding reveals a hidden layer of control in how genes are used.

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This “rotten egg” brain gas could be the key to fighting Alzheimer’s disease

Scientists have uncovered a surprising new player in Alzheimer’s disease: a protein called CSE that helps produce tiny amounts of hydrogen sulfide gas in the brain. In experiments with genetically engineered mice, removing this protein led to memory loss, brain damage, and other hallmarks of Alzheimer’s, including weakened blood-brain barriers and reduced formation of new neurons. The findings suggest that this “rotten egg” gas, when carefully regulated, may actually protect brain cells and support memory.

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Your brain could help solve autism and most people don’t know it

A new survey reveals a striking disconnect in how Americans think about autism research. While nearly everyone agrees that studying the autistic brain is essential, most people are unaware that brain donation after death is a key part of making that research possible. Unlike organ donation, brain donation is a separate process, and widespread confusion remains about how it works, when it must occur, and who can participate.

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This “master gene” may be driving pancreatic cancer’s spread

A gene called KLF5 may be a key force behind the spread of pancreatic cancer—but not in the way scientists expected. Rather than mutating DNA, it rewires how genes are turned on and off, helping tumors grow and invade new areas. Researchers found it plays a major role in metastatic cells and even controls other genes linked to cancer progression. The discovery opens the door to new treatments that target cancer’s epigenetic “control system.”

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