Drug abuse is one of the nation's most serious health problems. About 9 percent of Americans, more than 22 million people, abuse drugs on a regular basis. Drug abuse, including alcohol and nicotine, is estimated to cost the U.S. more than $600 billion each year.

Nicotine is a highly addictive substance found in all tobacco products.

The rhythm of respiration influences a wide range of behaviors, as well as cognition and emotion. Neuroscientists are piecing together how it all works.

Multiple fields have analyzed how varying factors influence people’s perception of personal space in their interactions.

Whether fly or human, fleeing from danger is key to staying alive. Scientists are beginning to unravel the complex circuitry behind the split-second decision to beat a hasty retreat.

And other neuroscience news you may have missed in December 2022.

Listening to music activates many brain areas, and this tune can help you learn about some of those areas.

A prior COVID-19 infection may accelerate risk for dementia later in life.

Even younger people who had mild COVID-19 showed persistent cognitive impairments.

Like a gardener pruning a tree, the brain removes excess neurons and synapses to become more efficient.