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37 A prospective cohort study in the United Kingdom confirmed that a high dietary intake of vitamin C or foods rich in this vitamin reduced the rate of lung function loss and thereby prevented development of COPD
Studies have shown that downregulation of GABAB receptors leads to an imbalance in the excitatory-inhibitory neural circuits, resulting in ASD-like phenotypes in mice, such as reduced social interaction and increased repetitive and anxiety-related behaviors
KarkhaneiBTalebi GhaneEMehriF
All published evidence is from animal or in vitro studiesno peer-reviewed human clinical trials have been completed as of 2026
C57BL/6 male mice, 28 months of age, treated with GHK at a dose of 10 mg/kg body weight 5 times per week for 3 weeks showed improved learning compared to saline treated control mice
[PubMed] [Google Scholar] 154
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