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When you suddenly stop taking a drug that you've regularly consumed, it's hard for the body to adjust, resulting in the unpleasant symptoms of drug withdrawal.
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Although there are no pain-sensing fibers located in the brain, these fibers are present in nearby tissues. When they become activated, a headache can occur.
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Humans possess cognitive abilities very different from other creatures, thanks to a number of unusual features of our brains.
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While it’s difficult to study déjà vu directly in a laboratory, scientists can test how the brain responds to familiar faces and places.
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While experts debate the type and length of practice that is optimal for success, one thing is clear: training improves performance and changes the brain.
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There are likely advantages to having both left- and right-handed individuals in a population.
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People with depression often report dramatic changes in mood over the course of the day.
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People with "photographic memory" are thought to be able to take and recall mental snapshots without error. But there is no evidence this type of memory exists.
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Hallucinations emerge when inner thoughts and expectations overpower sensory experience.
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The main active ingredient in marijuana alters the normal communication between cells and circuits in the brain.
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Just like other cells in the body, brain cells use a form of sugar called glucose to fuel their activities. This energy comes from the foods we consume daily, and is regularly delivered to brain cells through the blood.
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People differ enormously as to what they consider to be stressful and how they respond to it. In general, short periods of moderate stress can actually be a good thing for the brain.
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