Harvard Health Letter

Which exercise is best for brains?

Q. I heard regular aerobic exercise is better for the brain than strength exercises (resistance training). Is that true? A. The study you probably heard about involved rats, not humans. The rats were made to engage each day in sustained aerobic exercise, high-intensity interval training, or resistance training, or they were allowed to just be sedentary. At the end of the study, the researchers examined the ratsí brains. The rats doing regular aerobic exercise…

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