According to the British Journal of Sports Medicine, regular exercise may boost brain power in adults over age 50.
The study shows 45 to 60 minutes of moderate to high-intensity cardio, weight lifting, or a combination of the two per week were linked to improved memory, alertness, and ability to focus on goals.
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Doctors say that held true even among people with mild cognitive impairment (MCI), which means those who have problems with brain function have an increased risk of developing Alzheimer's.
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