Psychology & Psychiatry

How pregnancy turns the stress response on its head

The link between psychological stress and physical health problems generally relates to a stress-induced immune response gone wild, with inflammation then causing damage to other systems in the body. It's a predictable cascade—except ...

Neuroscience

How does the immune system keep tabs on the brain?

Alzheimer's disease, multiple sclerosis, autism, schizophrenia and many other neurological and psychiatric conditions have been linked to inflammation in the brain. There's growing evidence that immune cells and molecules ...

Oncology & Cancer

Brain cancer linked to tissue healing

The healing process that follows a brain injury could spur tumor growth when new cells generated to replace those lost to the injury are derailed by mutations, Toronto scientists have found. A brain injury can be anything ...

Psychology & Psychiatry

Brain tissue yields clues to causes of PTSD

A post-mortem analysis of brain tissue from people who had been diagnosed with post-traumatic stress disorder (PTSD) may help explain enduring mysteries about the disorder, such as why women are more susceptible to it and ...

Neuroscience

Using a video game to understand the origin of emotions

Emotions are complex phenomena that influence our minds, bodies and behavior. A number of studies have sought to connect given emotions, such as fear or pleasure, to specific areas of the brain, but without success. Some ...

Oncology & Cancer

Cancer cells mediate immune suppression in the brain

Scientists have long believed that the brain protects itself from an aggressive immune response to keep down inflammation. However, that evolutionary control may work against it when a cancer cell attempts to spread to the ...

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