Medications

What you need to know about the fatal drug fentanyl

A surge in news stories about the drug fentanyl has led to increased efforts to educate students about the hazards of the drug when used recreationally. Fentanyl, a fast-acting painkiller and sedative, is typically prescribed ...

Psychology & Psychiatry

Low dopamine levels during withdrawal promote relapse to smoking

Mark Twain said, "Giving up smoking is the easiest thing in the world. I know because I've done it thousands of times." Many smokers would agree that it's difficult to stay away from cigarettes. A new study in Biological ...

Attention deficit disorders

How do ADHD medications work?

There is a swirling controversy regarding the suspicion that medications prescribed for the treatment of ADHD (attention-deficit/hyperactivity disorder) primarily act to control disruptive behavior as opposed to having primary ...

Diseases, Conditions, Syndromes

Genetic marker for placebo response identified in IBS patients

Although placebos have played a critical role in medicine and clinical research for more than 70 years, it has been a mystery why these inactive treatments help to alleviate symptoms in some patients – and not others. Now ...

Neuroscience

Delving deep into the brain

Launched in 2013, the national BRAIN Initiative aims to revolutionize our understanding of cognition by mapping the activity of every neuron in the human brain, revealing how brain circuits interact to create memories, learn ...

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