Cool Facts are quick hits of new human and world science curated into short bursts of information just for you. This fun compilation publishes one Friday a month.

• Breathing coordinates neuronal activity—even without smell
• Mindful breathing in virtual reality can control real pain
• Circadian cycle affects immune cells and Alzheimer’s plaques
• Brain refresh lags when processing visual stimuli
• Medical repression in the days of Ivan the Terrible

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