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The benefits of exercise are widely known but kinesiologists have for the first time found that physical activity may help fight depression in seniors by stimulating muscle-generated mood boosters.

Researchers look at how methamphetamine affects female rats. Findings show that the drug induces different signaling changes in the brains of male rats versus their female counterparts, which may suggest there are sex-related mechanisms behind methamph…

Bipolar disorder causes alterations in mood, leading to depressive and manic or hypomanic episodes. These changes in mood can sometimes put stress on a relationship. Learn how best to navigate a relationship in which one partner has bipolar disorder.

Lasting changes in the brain caused by drinking that starts in adolescence are the result of epigenetic changes that alter the expression of a protein crucial for the formation and maintenance of neural connections in the amygdala — the part of the br…

Silent strokes are a common symptom of sickle cell disease, though they can be debilitating. Researchers recently showed that silent strokes may be caused by decreased oxygen delivery to a part of the brain called the white matter.

Syrian hamsters are golden-haired rodents often kept as house pets. Cold and darkness can cause the animals to hibernate for three to four days at a time, interspersed with short periods of activity. Surprisingly, the hibernation spurts of these cute, …

Patients with Parkinson’s disease can voluntarily control beta waves in their deep brain — a finding that suggests a new approach for managing disease-related brain activity.

Researchers report that a possible cure for addiction may be found by following the pathways of significantly altered dopamine neurons in newborns who were chronically exposed to nicotine in utero.

Our actions are guided by moral values. However, monetary incentives can get in the way of our good intentions. Neuroeconomists have now investigated in which area of the brain conflicts between moral and material motives are resolved. Their findings r…

Adults who notice that they frequently lose their train of thought or often become sidetracked may in fact be displaying earlier symptoms of cerebral small vessel disease, otherwise known as a ‘silent stroke,’ suggests a recent study.