High-fat feeding can cause impairments in the functioning of the mesolimbic dopamine system, says Stephanie Fulton of the University of Montreal and the CHUM Research Centre (CRCHUM.) This system is a critical brain pathway ...
Jul 14, 2015
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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 ...
Jan 27, 2015
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Within a few months after drug withdrawal, patients in recovery from dependence on prescription pain medications may show signs that the body's natural reward systems are normalizing, reports a study in the Journal of Addiction ...
Dec 9, 2014
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For decades, scientists thought drug addiction was the result of two separate systems in the brain—the reward system, which was activated when a person used a drug, and the stress system, which kicked in during withdrawal.
Nov 17, 2014
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Details of the role of glutamate, the brain's excitatory chemical, in a drug reward pathway have been identified for the first time.
Nov 12, 2014
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We tried low-fat diets. We tried high-protein and low-carb. Each diet had its pros and cons. By now, many Americans are coming to the inescapable conclusion that there's only one way to lose weight: eat less. Why is that ...
Jun 25, 2014
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(Medical Xpress)—Dr Peter Bosch focused his research on how the brain's natural reward pathways are strongly stimulated following exposure to methamphetamine.
May 21, 2014
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Using a computational model of addiction, a literature review and an in silico experiment, theoretical computer scientist Yariv Levy and colleagues suggest in a new paper this week that rehabilitation strategies coupling ...
Dec 19, 2013
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How is the bond between people in love maintained? Scientists at the Bonn University Medical Center have discovered a biological mechanism that could explain the attraction between loving couples: If oxytocin is administered ...
Nov 25, 2013
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(Medical Xpress)—A synthetic gene module controlled by the happiness hormone dopamine produces an agent that lowers blood pressure. This opens up new avenues for therapies that are remote-controlled via the subsconscious.
Oct 15, 2013
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