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Stress, hypometabolism, and oxidative damage may decrease physiologic reserve in the elderly and can lead to a decrease in neuron energy production and an increase in neuron damage. [ 12 ] Thioredoxin reductase is an antioxidant that neutralizes oxidative free radicals that can cause cell death.
Sundowning is often a symptom that happens after someone is diagnosed with dementia or a dementia-related disease, but it can also be an early sign of mental decline itself. “There are changes ...
Stress management encompasses techniques intended to equip a person with effective coping mechanisms for dealing with psychological stress, with stress defined as a person's physiological response to an internal or external stimulus that triggers the fight-or-flight response. Stress management is effective when a person uses strategies to cope ...
Changes in blood pressure and galvanic skin response can also be measured to test stress levels. A digital thermometer can be used to evaluate changes in skin temperature, which can indicate activation of the fight-or-flight response drawing blood away from the extremities. Cortisol is the main hormone released during a stress response and ...
The sympathetic branch of the autonomic nervous system gives rise to a specific set of physiological responses to physical or psychological stress. The body's response to stress is also termed a "fight or flight" response, and it is characterised by an increase in blood flow to the skeletal muscles, heart, and brain, a rise in heart rate and ...
An Na (born 1972) is a South Korea-born [1] American children's book author. She gained success with her first novel A Step From Heaven, published by Front Street Press in 2001, which won the annual Michael L. Printz Award from the American Library Association recognizing the year's "best book written for teens, based entirely on its literary merit". [2]
Kobasa described a pattern of personality characteristics that distinguished managers and executives who remained healthy under life stress, as compared to those who developed health problems. In the following years, the concept of hardiness was further elaborated in a book [ 2 ] and a series of research reports by Salvatore Maddi, Kobasa and ...
Stress proteins can exhibit widely varied functions within a cell- both during normal life processes and in response to stress. For example, studies in Drosophila have indicated that when DNA encoding certain stress proteins exhibit mutation defects, the resulting cells have impaired or lost abilities such as normal mitotic division and ...