While laughter is considered to be a sign of happiness, it isn't always healthy or positive, researchers report.
Elevated levels of testosterone could help explain why some people embark in unethical behavior, a new study reports.
According to a new study, the scent of Hedione triggers different brain activities in males and females that do not occur with traditional fragrances.
New research investigates how gut bacteria could affect our cravings and moods in order to consume the nutrients they require to grow best.