Ultrasound, not scalpel, treats tremors

Focused sound waves appear to be as effective as traditional surgery—which requires drilling into the skull—at treating essential tremor.

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The Neuroscience of Addiction: Dr. Nora Volkow

What's your poison? You addiction? Is it legal or illegal? Whatever it is you're hooked on, coffee to cocaine, smoking pot to pigging out, Nora Volkow has your number.

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Gene opens unique way to attack anxiety

Researchers testing the role of a mysterious gene have identified a new target for drugs designed to treat anxiety.

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After spine trauma, nerve detour revives hand

Surgeons have restored some hand function in a quadriplegic patient with a spinal cord injury at the C7 vertebra, the lowest bone in the neck.

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Alzheimer’s gene opens floodgate in brain

A genetic risk factor for Alzheimer’s disease triggers a cascade of signaling that results in leaky blood vessels in the brain, allowing toxic substances to pour into brain tissue.

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Girls take longer to heal from concussions

Females and younger athletes take longer to recover from concussions, new research shows.

The findings suggest physicians and athletic trainers should take sex and age into account when dealing with the injury.

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First drug reaction may predict epilepsy seizures

How well people newly diagnosed with epilepsy respond to their first drug treatment may signal their likelihood of having continued uncontrolled seizures.

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Cocaine alters brain to magnify reward

Chronic exposure to cocaine can result in structural changes in the brain that produce greater sensitivity to the drug’s rewarding effects.

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