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Scientists locate brain circuit that curbs overeating

Scientists locate brain circuit that curbs overeating

The brain has complex circuitry that locks appetite to memories of finding and enjoying food. This drives the feeding behaviors necessary for survival. New research reveals that the circuits include one mechanism that does the opposite: curbing the compulsion to eat in response to food. ‘People may be able to learn to change their relationship […]

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Music may enhance the effect of pain relievers

Music may enhance the effect of pain relievers

Bob Marley once said, “One good thing about music, when it hits you, you feel no pain.” A recent study using a mouse model backs up Marley’s musing with some scientific data. Listening to Mozart might boost pain medication. In the past, scientists have explored the idea of using music as a therapy in a […]

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This drug failed to treat cancer, but it could improve dementia

This drug failed to treat cancer, but it could improve dementia

Dementia — an umbrella term for various neurodegenerative conditions involving memory loss and other forms of cognitive impairment — is hard to treat because its causes remain unknown. Researchers, however, are making painstaking progress. A new approach to dementia research may bring us closer to a treatment, but unexpected challenges could halt this progress. Dr. […]

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Is this a better way to deliver drugs to the brain?

Is this a better way to deliver drugs to the brain?

The blood-brain barrier is a protective layer that surrounds the brain. Its main function is to prevent potentially harmful agents from leaking into this organ. However, it can also stop certain therapeutic drugs from reaching their target. Using ultrasound in new ways could open the door to better treatments for conditions that affect the brain. […]

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Musical training may improve attention

Musical training may improve attention

Having had several years of musical training may yield some unexpected cognitive benefits. A new study suggests that musical training may improve a person’s ability to focus and tune out distractions. Years of musical training may have some surprising cognitive benefits. The benefits of music for the human brain are numerous. Some studies have suggested […]

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What really happens in the brain during a hallucination?

What really happens in the brain during a hallucination?

A person can experience visual hallucinations for many reasons, including consuming hallucinogenic substances or as a symptom of schizophrenia. But what are the brain mechanisms that explain hallucinations? New research aims to reveal more about how hallucinations manifest in the brain. The Diagnostic and Statistical Manual of Mental Disorders (DSM-5) defines hallucinations as “perception-like experiences […]

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Why too much vitamin D can be a bad thing

Why too much vitamin D can be a bad thing

A new study on the effects of vitamin D found that too much may lead to slower reaction times and increase the risk of falling among older people. Vitamin D is vital, but too much may increase certain risks. Vitamin D is an essential vitamin that helps build and maintain healthy bones and teeth. Without […]

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Can scientists learn to remove bad memories?

Can scientists learn to remove bad memories?

Traumatic memories can severely affect a person’s quality of life when they become intrusive thoughts that lead to anxiety and continue to cause distress. For this reason, scientists are now looking into ways of weakening such memories and lessening their impact. Is it possible to ‘treat’ traumatic memories? People who experience traumatic events may find […]

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Symptoms of caffeine withdrawal

Symptoms of caffeine withdrawal

Caffeine is a stimulant that works to improve alertness, wakefulness, and mood. People who regularly consume caffeine may experience withdrawal symptoms after they suddenly stop drinking it. Natural sources of caffeine include coffee, tea, and cocoa beans. Manufacturers also add synthetic caffeine to many foods, drinks, medicines, and supplements. People who regularly consume caffeine may […]

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What are speech disorders?

What are speech disorders?

Speech is the process of producing specific sounds that convey meaning to the listener. A speech disorder refers to any condition that affects a person’s ability to produce sounds that create words. Speech is one of the main ways in which people communicate their thoughts, feelings, and ideas with others. The act of speaking requires […]