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 ...

Oncology & Cancer

Uncovering a key player in metastasis

About 90 percent of cancer deaths are caused by secondary tumors, known as metastases, which spread from the original tumor site.

Health

Chemical makers say BPA no longer used in bottles

(AP) -- Makers of the controversial chemical bisphenol-A have asked federal regulators to phase out rules that allow its use in baby bottles and sippy cups, saying those products haven't contained the plastic-hardening ingredient ...

Psychology & Psychiatry

New brain research suggests eating disorders impact brain function

Bulimia nervosa is a severe eating disorder associated with episodic binge eating followed by extreme behaviors to avoid weight gain such as self-induced vomiting, use of laxatives or excessive exercise. It is poorly understood ...

Medical research

Researchers identify four key weapons in immune system's arsenal

(Medical Xpress) -- Yale University researchers have identified four unique host defense proteins among thousands that seem to play a crucial role in mobilizing the immune system's response to bacterial infections, they report ...

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