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351 - 360 of 2109 results
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Designer drugs and club drugs are synthetic, psychoactive substances that can have serious impacts across many brain regions. -
Psychostimulants, which provide a temporary boost to physical and/or mental function, range from drugs like cocaine and methamphetamines to everyday hits like nicotine and caffeine. -
The addictive substance in alcohol, ethanol, acts as a stimulant in lower blood-alcohol concentrations and as a depressant in larger concentrations. -
The mind-altering chemical in marijuana — tetrahydrocannabinol, or THC — distorts perception and alters a person’s sense of time, space, and self. -
And other neuroscience news you may have missed in January 2023. -
In a citizen science project, thousands of pet dogs are helping scientists to understand what happens to memory and cognition in old age. -
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. -
Opioids are substances that bind to opioid receptors in the brain to relieve pain. -
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.
