STRESS SERIES 5 : STRESS IN EARLY LIFE
The body’s natural response to a stressful situation is to increase the heart rate and blood pressure, by initially releasing adrenalin to prime the body for immediate action, followed by the release of the stress hormone cortisol. A highly stressful event activates neuroendocrine, cardiovascular, and emotional responses, which may not only disturb the body’s physiological equilibrium, but also induce epigenetic changes (changes in gene expression). Serious bodily damage can manifest when stress becomes chronic. Chronic stress affects overall health, resulting in altered brain architecture, as well as a high risk of cognitive impairment, depression, stroke, heart attack, pro-inflammatory diseases, and an increased susceptibility to infections and cancer. Adverse experiences and frequent or continual stress during a child’s earliest years not