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.
Cape Town is South Africaâs oldest and second largest city. Founded as a Dutch trading station it was the biggest town until gold was found. Cape Town is known for its famous landmarks. Durban, on the east coast, is South Africaâs main port and a major industrial centre.he largest tribes, the Zulu and Xhosa, have lived in South Africa for the longest time. About half of them live in cities and the other half on small farms in the countryside. Many blacks still work for white people in gold and diamond mines but many are poor and have no jobs.