The Department of Biology, in collaboration with the Continuous Education Unit at the College of Science, University of Baghdad, organized a lecture titled “Adversity and Psychological and Social Pressures and their Role in the Biological Aging Process.” The lecture aimed to provide a detailed explanation of the primary and secondary cellular changes resulting from alterations in physiological processes due to the impact of psychological and social stress mediated by the neuroendocrine axis. Ultimately, this leads to the biological aging process.The lecture presented by Assistant Professor Shaima Fouad Rashid highlighted the challenges and psychological and social pressures that play a significant role in the process of biological aging. This occurs through psychological stress, SNS and HPA axis responsible for the secretion of stress hormones. These hormones bind to receptors on the cell surface, leading to the production of energy and mitochondrial respiration. The energy production and mitochondrial respiration accelerate cellular metabolism, resulting in an increase in reactive oxygen species. Cellular stress and the accumulation of damage can result from an increase in which includes the accumulation of damage to DNA and mitochondrial DNA, since these processes work together to accelerate the biological aging process by causing diseases of aging such as cardiovascular disease and diabetes.

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