Health

Exposure to environmental PCBs impairs brain function in mice

Human-made toxic chemicals that linger indefinitely in the environment disrupt the performance of critical helper cells in the mouse brain, leading to impaired function over long-term exposures, say neuroscientists at Georgetown ...

Health

Half of all Germans regard tattoo inks as safe

Roughly one in eight Germans has a tattoo. A recent representative survey conducted by the German Federal Institute for Risk Assessment (BfR) shows that many people consider tattoos to be safe, with almost 90 percent of people ...

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 ...

Diseases, Conditions, Syndromes

Flipping the switch on scleroderma

Scleroderma is a rare and often fatal disease, causing the thickening of tissue, that currently lacks a cure and any effective treatments. A group of researchers, including a Michigan State University professor, is looking ...

Immunology

Salmonella jams signals from bacteria-fighting mast cells

A protein in Salmonella inactivates mast cells—critical players in the body's fight against bacteria and other pathogens—rendering them unable to protect against bacterial spread in the body, according to researchers ...

Psychology & Psychiatry

Why do you want to eat the baby?

What woman has not wanted to gobble up a baby placed in her arms, even if the baby is not hers? This reaction, which everyone has noticed or felt, could have biological underpinnings related to maternal functions. For the ...

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