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Studies Identify Brain Fog’s Diverse Biological Causes
Health
— Sep 20, 2026
New research across studies links brain fog to multifactorial causes—including neuroinflammation, chronic stress responses, and cellular energy failures with sleep disruption worsening symptoms—while long COVID may involve dopamine neuron damage that affects motivation and movement. Additional work shows cognitive fog can accompany depression and CDS/ADHD overlaps, and everyday habits like poor sleep substantially amplify cognitive difficulties.
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Pregnancy Rewires Brain Circuit Driving Food Cravings in Mice
x/nature-neuroscience
— Sep 18, 2026
Researchers have pinpointed a brain mechanism in mice linking pregnancy to stronger cravings for palatable foods: serotonin neurons in the dorsal raphe nucleus become less active during gestation due to increased SK3 channel activity, which drives food-seeking behavior. The team also traced a neural pathway to the ventral tegmental area, where activation reduces cravings, shedding light on the neural basis of gestational eating patterns observed in humans.
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Researchers Engineer Cat Parasite For Breakthrough Brain Treatment
x/tel-aviv
— Sep 17, 2024
A happy house cat. The scientists gathered enough evidence to prove that the proteins had been delivered to the target area and remained active in the neurons’ nuclei. YULIA KARRA. “> Researchers from Tel Aviv…
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