HLSC 4805U Chapter Notes - Chapter 1: Epidemiological Transition, Life Table, Parasitic Disease
Document Summary
Chapter 1 global epidemiology of chronic diseases: the epidemiological transition. Replacing infectious and parasitic diseases as the leading cause of morbidity and mortality worldwide. Four most prominent cvd, cancer, copd, tii diabetes: preventable biological risk factors (high bp, cholesterol, weight, etc) Life expectancy is increasing and the birth rate is decreasing. Lesser developed nations such as africa, acute infections & other diseases prevail, which reduce the survival rate: <50 years of age. Highly developed nations such as japan, u. s. and europe can surpass 80 years. Longevity 82 years in japanese people (the highest out of everyone) Gender differences in longevity from birth to death. Women live 5-10 years greater than males. Survival differential favouring females begins at conception: only about 90% of male foetuses survive to birth compared to nearly. 100% of female foetuses: hormonal incompatibilities of male genotype in the female hormones such as estrogen and progesterone throughout gestation, which can lead to spontaneous abortions, miscarriages, and stillbirths.
