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A sharp mind is so vital to a productive and healthy life.  According to Oprah.com contributor Jessica Migala, keeping your mind sharp can be as simple as doing these five things.

• Fast walking to prevent cognitive decline and increase hippocampus growth. That’s the part of the brain that controls memory and emotion.  
• Maintain social ties.  Loneliness leads to decreased physical activity and unhealthy habits. Socializing supports good brain health and a sense of wellbeing.  
• Enjoy morning quiet time.  It can reduce stress and improve concentration throughout the day.  
• Cook new dishes.  This is an easy way to learn new things and build neural connections.  
• Eat a colorful diet.  Aim for antioxidant-rich red, green, orange, yellow, blue and purple foods which are shown to lower dementia risk.

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