Psychology & Psychiatry

Low dopamine levels during withdrawal promote relapse to smoking

Mark Twain said, "Giving up smoking is the easiest thing in the world. I know because I've done it thousands of times." Many smokers would agree that it's difficult to stay away from cigarettes. A new study in Biological ...

Psychology & Psychiatry

GABA deficits disturb endocannabinoid system

Changes in the endocannabinoid system may have important implications for psychiatric and addiction disorders. This brain system is responsible for making substances that have effects on brain function which resemble those ...

Medical research

A new way to stimulate the immune system and fight infection

A study carried out by Eric Vivier and Sophie Ugolini at the Marseille-Luminy Centre for Immunology has just reveal a gene in mice which, when mutated, can stimulate the immune system to help fight against tumors and viral ...

Medical research

Scientists isolate protein linking exercise to health benefits

A team led by researchers at Dana-Farber Cancer Institute has isolated a natural hormone from muscle cells that triggers some of the key health benefits of exercise. They say the protein, which serves as a chemical messenger, ...

Medical research

Neurons grown from skin cells may hold clues to autism

Potential clues to how autism miswires the brain are emerging from a study of a rare, purely genetic form of the disorders that affects fewer than 20 people worldwide. Using cutting-edge "disease-in a-dish" technology, researchers ...

Medical research

Brain parasite directly alters brain chemistry

A research group from the University of Leeds has shown that infection by the brain parasite Toxoplasma gondii, found in 10-20 per cent of the UK's population, directly affects the production of dopamine, a key chemical messenger ...

Medical research

Study brings secrets of brain cell communication closer

(Medical Xpress) -- Researchers at The University of Queensland's Queensland Brain Institute (QBI) have taken a significant step towards unravelling the mechanism by which communication between brain cells occurs.

Neuroscience

Researchers solve membrane protein mystery

A University of Wisconsin-Madison research team has solved a 25-year mystery that may lead to better treatments for people with learning deficits and mental retardation.

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