Neuroscience

How social isolation transforms the brain

Chronic social isolation has debilitating effects on mental health in mammals—for example, it is often associated with depression and post-traumatic stress disorder in humans. Now, a team of Caltech researchers has discovered ...

Psychology & Psychiatry

Mental training changes brain structure and reduces social stress

Meditation is beneficial for our well-being. This ancient wisdom has been supported by scientific studies focusing on the practice of mindfulness. However, the words "mindfulness" and "meditation" denote a variety of mental ...

Genetics

Childhood stress leaves lasting mark on genes

Kids who experience severe stress are more likely to develop a host of physical and mental health problems by the time they reach adulthood, including anxiety, depression and mood disorders. But how does early life stress ...

Psychology & Psychiatry

Psychologist finds link between PTSD and prison

Americans who spend time in prison are nearly twice as likely to suffer post-traumatic stress disorder than those who don't, according to a new study by UWM psychology professor Shawn Cahill and his graduate students.

page 1 from 36

Stress (biological)

Stress is a biological term which refers to the consequences of the failure of a human or animal to respond appropriately to emotional or physical threats to the organism, whether actual or imagined. It includes a state of alarm and adrenaline production, short-term resistance as a coping mechanism, and exhaustion. Common stress symptoms include irritability, muscular tension, inability to concentrate and a variety of physical reactions, such as headaches and elevated heart rate.

This text uses material from Wikipedia, licensed under CC BY-SA