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New research reveals that the wake-promoting drug modafinil affects markers of sleep homeostasis differently depending on a person’s genetics. Key facts: Modafinil improved sustained attention in people with a certain gene variant but not others after sleep de…
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Antipsychotic medications are commonly used to treat psychotic disorders like schizophrenia and bipolar disorder. However, these drugs often cause side effects like elevated prolactin levels, which can negatively impact long-term health. A new study analyzed m…
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Attention-deficit/hyperactivity disorder (ADHD), long thought of as a childhood condition, is increasingly recognized as a disorder that can persist into adulthood. Up to 60% of children with ADHD continue to experience symptoms as adults. Yet treatment option…
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Gambling is a complex behavior influenced by multiple factors in the brain. New research in mice provides insight into the neurobiology underlying key aspects of gambling such as making the initial decision to gamble and persistently chasing losses. Key Facts:…
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Researchers have identified a powerful combination of drugs that may help treat alcoholism by reducing cravings and blocking relapse. The dual treatment virtually wiped out binge drinking and heavy drinking in an animal model of alcohol addiction. Key Facts: R…
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Parkinson’s disease (PD) is a neurodegenerative disorder characterized by the loss of dopamine-producing neurons. Dopamine plays an important role in PD development. Here are some key facts: Dopamine is a chemical messenger in the brain involved in movement, m…
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Researchers explored how our brain’s reward system connects to depression and other common mental health problems like social anxiety and eating disorders. They found that a dampened reward response seems to follow, rather than precede, symptoms of depression…
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Schizophrenia is a mental disorder that affects how people think, feel, and behave. It involves problems with hallucinations, delusions, disorganized thinking, lack of motivation, and impaired functioning. Schizophrenia affects about 1% of the population and t…
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