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But while stress is often thought of as a mental or emotional issue, its impact on the body can be profound. One of the most common physical complaints associated with stress is back pain.
In the brain, serotonin is a neurotransmitter and regulates arousal, behavior, sleep, and mood, among other things. [9] During prolonged exercise where central nervous system fatigue is present, serotonin levels in the brain are higher than normal physiological conditions; these higher levels can increase perceptions of effort and peripheral muscle fatigue. [9]
Theories of a proposed stress–illness link suggest that both acute and chronic stress can cause illness, and studies have found such a link. [58] According to these theories, both kinds of stress can lead to changes in behavior and in physiology. Behavioral changes can involve smoking and eating habits and physical activity.
Prolonged stress can disturb the immune, digestive, cardiovascular, sleep, and reproductive systems. [17] For example, it was found that: Chronic stress reduces resistance of infection and inflammation, and might even cause the immune system to attack itself. [27] Stress responses can cause atrophy of muscles and increases in blood pressure. [28]
However, it is clear that stress and sleep in college students are interrelated, instead of one only affecting the other. "Stress and sleep affect each other. Poor sleep can increase stress, otherwise high-stress can also cause sleep disturbances". [8] As stated in a different way, the way stress and sleep are related is bidirectional in nature ...
Stress is a natural response to perceived threats and can be healthy to a certain degree, as it creates needed hormones such as DHEA and oxytocin that motivate people to perform better in certain ...
Beyond the stress of being in combat, there's a lack of sleep, physical injuries, and lingering mental issues, each independently linked to low T, says urologist Joshua Calvert, M.D., who spent ...
Stress can cause acute and chronic changes in certain brain areas which can cause long-term damage. [4] Over-secretion of stress hormones most frequently impairs long-term delayed recall memory, but can enhance short-term, immediate recall memory. This enhancement is particularly relative in emotional memory.