Medieval times = high DR and BR for UK (35 per 1000)
Black Death in 1348 = 1/3 of population dead due to rodent spread disease.
Mortality rises (35) - Cheap gin causing alcohol related illness in 1720-1740
1751 (30)- 'gin tax', officials begin controlling and monitoring death rates/public health.
Mid-18th century - agriculture improves, better nutrition, infant mortality falls, unhealthy workforce = decreased production
1848 - Public health act introduced; clean water, drains -no more scarlet fever/TB/cholera