Think about the last time you ate a huge Thanksgiving meal. Did you feel more energetic and mentally alert afterwards? Or did you feel sleepy and a little dopey? Most of us feel sleepy. After a large meal, blood is shunted to your digestive system to cope with the huge influx of food, leaving less blood to go to the brain. The result? A food coma. Maybe a little nap. Now think about a time when you had not eaten for many hours. Do you remember being lethargic and mentally sluggish? Not likely. It is more likely you felt mentally sharp and completely attuned to your environment. This is not by
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