Key Highlights
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A new study using blood platelets found that people experiencing mania have specific immune system changes, including lower levels of proteins involved in the body’s normal defense pathways. This suggests that immune system problems, possibly linked to chronic low-grade inflammation, could play a role in the biology of bipolar disorder.
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Researchers discovered that unstable blood pressure combined with poor regulation of blood flow in the brain is linked to worse cognitive performance in older adults, even before visible signs of small vessel disease appear on brain scans. This finding highlights that managing blood pressure stability could be important for protecting brain health as we age.
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A study in hummingbirds used a nutritional model to analyze their intake of protein and sugar, providing insights into animal foraging behavior and diet balance. While not directly human-focused, this research on animal physiology can inform broader biological principles related to metabolism and behavior.
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