Medical demography, its importance for public health and healthcare

The statistical study of populations and population health epidemiology is known as demography. The human life course, how it is passed down through generations, how dynamics within the life course shape a healthy life, and how the life course is impacted by the social and economic environment present intriguing research challenges that epidemiology and demography share. The meeting of two future parents marks the start of the life journey. Then, various rates of aging are being fixed, and societal disadvantage or privilege is starting. In addition to being mediated by higher IQ and better education, health in utero and in childhood will also influence health in middle and old age. By increasing cognitive reserves that boost brain plasticity and improve resilience to harm, improved education, in particular, reduces cognitive disability near the end of life. The twin demographics and epidemiology may explain how to lessen the burden of senescence at the end of life, even though longer life lengths may also result in disabilities