Neuroscientist Robert Ferrante stands accused of poisoning his neurologist wife, Autumn Klein, both from the University of Pittsburgh. Medscape Medical News

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New guidelines have been developed by the Physicians Committee for Responsible Medicine. Outside experts say a healthy diet and exercise is always good advice, but evidence that this will reduce Alzheimer’s risk is lacking. Medscape Medical News

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Decreased brain reactivity in response to eye contact may denote social disability in children with autism — and may eventually lead to clinical benefits, according to preliminary research. Medscape Medical News

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A novel study provides “incontrovertible” evidence that prenatal tobacco smoke exposure contributes significantly to conduct problems in children, one researcher says. Medscape Medical News

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While the Alzheimer’s Association is disappointed with the CMS draft decision not to allow wider reimbursement, some experts agree with the CMS that more data are needed before expanded use of the test is funded. Medscape Medical News

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Preschool kids who sleep fewer than 9 hours a night may be more likely to have behavioral problems, such as aggression and impulsivity, than kids who get more sleep. Medscape Medical News

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Psychotic symptoms in teens, particularly in individuals with existing psychopathology, appear to be a strong clinical marker for suicide attempts. Medscape Medical News

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Stimulant medications in adolescents with ADHD appear to have a protective effect on the development of substance abuse disorders in this patient population. Medscape Medical News

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Greater awareness of synthetic stimulants appears to have slowed their use, but manufacturers are staying one step ahead of regulators with a new generation of similar, equally dangerous products. Medscape Medical News

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A pretreatment PET scan may pave the way past the trial-and-error approach to picking a first-line therapy for major depression, new research hints. Medscape Medical News

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