Shortness of breath is by far the most common of emphysema symptoms. Most people with emphysema first notice something's wrong when they become winded during a previously routine activity. This might be climbing stairs or mowing the lawn. The shortness of breath in emphysema results from structural changes in the lungs.
The African city with the largest population is Lagos, Nigeria. In 2014, the city was estimated to have a population of 21 million people.
As of 2014 it is the 10th most populous city in Africa and home to 64% of the Western Cape's population. It is one of the most multicultural cities in the world, reflecting its role as a major destination for immigrants and expatriates to South Africa.s of 2014 it is the 10th most populous city in Africa and home to 64% of the Western Cape's population. It is one of the most multicultural cities in the world, reflecting its role as a major destination for immigrants and expatriates to South Africa.