Medications

A first look at how the drug salvinorin A works in the brain

Recent interest in developing therapies from hallucinogenic drugs has scientists exploring how these chemicals work in the brain. Recently, Johns Hopkins Medicine researchers imaged the brains of people who had vaped salvinorin ...

Neuroscience

Experts review evidence yoga is good for the brain

Scientists have known for decades that aerobic exercise strengthens the brain and contributes to the growth of new neurons, but few studies have examined how yoga affects the brain. A review of the science finds evidence ...

Neuroscience

Theory: Flexibility is at the heart of human intelligence

Centuries of study have yielded many theories about how the brain gives rise to human intelligence. Some neuroscientists think intelligence springs from a single region or neural network. Others argue that metabolism or the ...

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