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

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 ...

Health

BPA's real threat may be after it has metabolized

Bisphenol A or BPA is a synthetic chemical widely used in the making of plastic products ranging from bottles and food can linings to toys and water supply lines. When these plastics degrade, BPA is released into the environment ...

Diseases, Conditions, Syndromes

Do viruses such as the coronavirus become less deadly?

Variants of the coronavirus have come to represent the ultimate danger: A curveball in our plans to bring an end to the pandemic that has ravaged our world and taken millions of lives. And here's another one—omicron—that ...

Immunology

New study confirms immune cells are guided by gradients

(Medical Xpress)—A group of researchers in Austria and Switzerland has for the first time proven that immune cells migrate along chemical concentration gradients. This process has long been assumed but never demonstrated ...

Neuroscience

ADHD medicine affects the brain's reward system

(Medical Xpress)—A group of scientists from the University of Copenhagen has created a model that shows how some types of ADHD medicine influence the brain's reward system. The model makes it possible to understand the ...

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 ...

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 ...

Psychology & Psychiatry

Is dopamine to blame for our addictions?

Most researchers agree that the key difference between human brains and those of other animals is the size and complexity of our cerebral cortex, the brain's outer layer of neural tissue. We therefore tend to focus our attention ...

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