Richard Johnson, MD: Fructose Activates Several Biological Processes Associated with Foraging
Short excerpt from a May 9, 2024 YouTube video featuring Dr. Richard Johnson describing how fructose and glucose differentially affect brain activity and behavior relevant to foraging. Key claims in this chunk: fructose stimulates foraging behavior in animals, activates the human visual cortex, reduces activity in cortical areas involved in self-control, and alters hippocampal blood flow (memory-related). Glucose produces opposite effects in the first ~10 minutes, though chronic glucose intake may lead to endogenous fructose production after about an hour.
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