Medical research

Worms reveal why melatonin promotes sleep

Melatonin is used as a dietary supplement to promote sleep and get over jet lag, but nobody really understands how it works in the brain. Now, researchers at UConn Health show that melatonin helps worms sleep, too, and they ...

Psychology & Psychiatry

Sleep deprivation increases serotonin 2a receptor response in brain

The serotonin 2A (5-HT2A) receptor is widely distributed in the brain and plays a critical role in perception, cognition and psychosis. It is also responsible for the psychedelic effects of drugs, such as psilocybin (hallucinogenic ...

Oncology & Cancer

Tobacco, alcohol are main causes of cancer worldwide: Study

Nearly half of cancers worldwide can be traced back to a known risk factor, primarily tobacco or alcohol, a huge global study found on Friday, which said that behavioral changes can help reduce the threat of disease.

Medications

Why ketamine is a speedster antidepressant

Ketamine is the speedster of antidepressants, working within hours compared to more common antidepressants that can take several weeks. But ketamine can only be given for a limited amount of time because of its many side ...

Overweight & Obesity

Connecting stress, weight, and social anxiety in early adolescence

Between the end of childhood and the beginning of adolescence, there is a critical window of time referred to as "peripuberty." This transitional period involves developmental changes in both fat tissue and in the brain in ...

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