Role and Importance of Data in Public Health. Address the basic concepts, methods, and tools of public health data collection, use, and analysis and why evidence-based approaches are an essential part of public health practice.
Every language in the world-from English to Mandarin-evolved from a prehistoric 'mother tongue' first spoken in Africa tens of thousands of years ago, a new study reveals.
First-languages speakers: 71 400 000. Turkish is the most spoken language of the Turkic languages. It is mostly spoken in Turkey, but significant smaller groups of speakers exist in Bulgaria, Macedonia, Germany, Northern Cyprus, and other parts of Europe and Central Asia.