Addiction

Stress hormone reduces heroin cravings

Every addiction is characterized by a strong desire for a certain addictive substance, be it nicotine, alcohol or other drug. Researchers at the University of Basel in Switzerland recently conducted a study on heroin addiction ...

Attention deficit disorders

Research shows how ritalin affects brains of kids with ADHD

(HealthDay)—Ritalin activates specific areas of the brain in children with attention-deficit/hyperactivity disorder (ADHD), mimicking the brain activity of children without the condition, a new review says.

Diseases, Conditions, Syndromes

Lead acts to trigger schizophrenia

Mice engineered with a human gene for schizophrenia and exposed to lead during early life exhibited behaviors and structural changes in their brains consistent with schizophrenia. Scientists at Columbia University's Mailman ...

Neuroscience

Getting a grip on sleep

All mammals sleep, as do birds and some insects. However, how this basic function is regulated by the brain remains unclear. According to a new study by researchers from the RIKEN Brain Science Institute, a brain region called ...

Medical research

Faulty serotonin 1A receptor 'prevents' calm mental states

Researchers at the MedUni Vienna have, for the first time, investigated the influence of the serotonin system on the default mode network (DMN) in the human brain and discovered that, in people with depression, the inhibitory ...

Oncology & Cancer

Immune cells link pregnancy and tumor spread

Individuals with cancer often do not die as a result of their initial tumor but as a result of tumors at distant sites that are derived from the initial tumor. Pregnancy is a condition that seems to be permissive for tumor ...

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