Word: stressors
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While gender inequality and traditional gender roles often lead to domestic violence, “exposure to political violence exacerbates [those] factors,” Clark said. “Political violence adds an additional stressor on the household...
According to research done at University of Colorado at Boulder, exercise has been proven to prevent the development of depression anxiety, among other stress-related disorders. In the experiment, lab rats were exposed to a stressor, and those that had been allowed to exercise had increased levels of serotonin, the chemical that regulates mood, and were shown to be less anxious and stressed than the rats that were not allowed to exercise. Exercise, in a sense, is a natural antidepressant. Other scientific research has also shown that exercise increases the development and maintenance of brain cells, as well...
...epigenetic changes be permanent? Possibly, but it's important to remember that epigenetics isn't evolution. It doesn't change DNA. Epigenetic changes represent a biological response to an environmental stressor. That response can be inherited through many generations via epigenetic marks, but if you remove the environmental pressure, the epigenetic marks will eventually fade, and the DNA code will - over time - begin to revert to its original programming. That's the current thinking, anyway: that only natural selection causes permanent genetic change. (See "The Year in Health 2009: From...
...kind of environment “for some students, the cards may serve as a helpful guide toward more nutritious eating and a more conscious understanding of their body’s needs.” Other students, however, “may find the cards to be a stressor. ECHO certainly finds HUDS’s reminders such as ‘a bagel is six pieces of toast’ to be more harmful than good. Describing food in that manner makes it seem universally inappropriate for a student to enjoy a bagel.”Nevertheless...
...hormones may be the cause of some symptoms of depression. Researchers wanted to determine the exact nature of the long-recognized link between high cortisol levels and depression. Cortisol, a hormone released in response to stress, increases blood pressure and blood sugar, preparing the body to deal with a stressor. Paul A. Ardayfio, a graduate student at the Harvard Medical School who ran these experiments as part of his dissertation, explained that “we’ve known for over a century that chronically high levels of cortisol were linked to depression, so we decided to test whether...