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.
Lastly, the number of people with French as their first official language spoken was 1,007,580 in 2011, compared with 997,125 in 2006, an increase of more than 10,000 people. This population's proportion fell from 4.2% to 4.0% during the period.