Psychology & Psychiatry

Biological responses to conflict differ in maltreated children

Parent-child conflict is inevitable as children grow, become more independent, and explore the limits of their behavior. However, in families where child maltreatment is present, biological responses to conflict may be altered ...

Health

Who's stronger? An immunological battle of the sexes

Is there anything more exciting than a battle of the sexes? In popular culture, this usually focuses on societal gender roles. But, there's another battle of the sexes, a biological war waged by the body's immune system. ...

Psychology & Psychiatry

PTSD alone didn't increase heart disease risk in veterans

Post-traumatic stress disorder (PTSD) by itself does not explain the increased risk of cardiovascular disease in veterans with this condition. A combination of physical disorders, psychiatric disorders and smoking, that are ...

Psychology & Psychiatry

Lower birth weight may up risk for psychiatric disorders

(HealthDay)—After adjustment for family-related factors and gestational age, lower birth weight is associated with a small but significant increased risk for several psychiatric disorders, according to a study published ...

Immunology

Researchers discover how sleep can fight infection

Researchers in Germany have discovered why sleep can sometimes be the best medicine. Sleep improves the potential ability of some of the body's immune cells to attach to their targets, according to a new study that will be ...

Neuroscience

Intervening in glial cells protects neurons in Parkinson's model

Loss of dopaminergic neurons is a hallmark of Parkinson's disease pathology. When dopaminergic neurons are stressed, they send out a call for help to nearby glial cells that are tasked with providing neuronal support, protection ...

Surgery

Stress-free training may enhance surgical skill

University of Houston and Methodist Hospital researchers are reporting in Scientific Reports that the best way to train surgeons is to remove the stress of residency programs and make surgery a hobby. Under relaxed conditions ...

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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.

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