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 population in Lagos jumped significantly in a short period of time. In 2011, it was estimated to only have 11.2 million people. Prior to then, Cairo was the most populous city in Africa. Lagos is thought to be responsible for one-fourth of Nigeria's gross domestic product. An oil boom and a growing economy are thought to contribute to the fast population growth.
As of 2004, Cairo, the capital of Egypt, is the African capital with the largest population, about 7.6 million. When the surrounding metropolitan area is included, Cairo has a â¦ population of 11.1 million, making it the among the twenty largest cities in the world. As of 2007 (according to Wikipedia), Lagos, Nigeria has the most population, with over 8,714,228 people.