Addiction

Researchers find hormone that increases the sex drive of mice

Researchers at the University of Gothenburg show that mice that receive a supplement of the "appetite hormone" ghrelin increase their sexual activity. Whether the hormone has the same impact on humans is unknown, but if it ...

Health

Do caffeine's effects differ with or without sugar?

Consuming caffeinated or sugary drinks can affect the body's metabolism, causing changes in heart and respiratory rate and weight gain. The results of a new study exploring whether individuals respond differently to caffeinated ...

Overweight & Obesity

Obese children's brains more responsive to sugar

A new study led by researchers at University of California, San Diego School of Medicine finds that the brains of obese children literally light up differently when tasting sugar.

Psychology & Psychiatry

Fairness is in the brain

Ever wondered how people figure out what is fair? Look to the brain for the answer. According to a new Norwegian brain study, people appreciate fairness in much the same way as they appreciate money for themselves, and also ...

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