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.
By Amanda Briney. Cape Town is a large city located in South Africa. It is the second largest city in that country based on population and is the largest in land area (at 948 square miles or 2,455 square kilometers). As of 2007, the Cape Town's population was 3,497,097. It is also the legislative capital of South Africa and is the provincial capital for its region. As the legislative capital of South Africa, many of the city's functions are related to government operations.