3.193 AMICOR
#Professr Eugene Braunwald
https://m.youtube.com/watch?v=UTeXOA7fC3U
# INTER PRESS SERVICE

In contrast to the rapid growth of the high fertility countries like the DRC and Nigeria, some of the largest populations in 1950, such as Germany, Italy, Japan and Russia, have grown relatively slowly during the recent past. Credit: Shutterstock.
- As the world’s population increased five-fold since the start of the 20th century, the changes in the geographic distribution of the billions of people across the planet have been ongoing and significant.
Those continuing changes in the distribution of the world’s population have weighty economic, political, social and environmental consequences (Table 1).
Source: United Nations.
Particularly noteworthy are the changing proportions of the world’s population living in Africa and Europe. At the start of the 20th century the proportions of the world’s population residing in Africa and Europe were 8% and 25%, respectively. By the end of that century, the proportions were similar, 13% for Africa and 12% for Europe. By 2050, however, the proportions of the world’s population residing in Africa and Europe are expected to be very different at 26% and 7%, respectively (Figure 1).
Source: United Nations.
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Trends in the global, regional, and national burden of oral conditions from 1990 to 2021: a systematic analysis for the Global Burden of Disease Study 2021 - Published February 27, 2025, in The Lancet
Background
The WHO Global Oral Health Action Plan has set an overarching global target of achieving a 10% reduction in the prevalence of oral conditions by 2030. Robust and up-to-date information on the global burden of oral conditions is paramount to monitor progress towards this target. The aim of this systematic data analysis was to produce global, WHO region, and country-level estimates of the prevalence of, and disability-adjusted life-years (DALYs) attributed to, untreated caries, severe periodontitis, edentulism, other oral disorders, lip and oral cavity cancer, and orofacial clefts from 1990 to 2021.
Authors
- Nicholas Kassebaum,
- Xiaochen Dai,
- Simon Hay,
- Kyle Humphrey,
- Stephen Lim,
- Ali Mokdad,
- Christopher J.L. Murray
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