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.
Johannesburg is the capital of Gauteng province (Pretoria, also in Gauteng, is the capital of the country). Also known as Joburg or Jozi, Johannesburg is the biggest city in South Africa, and is often compared to Los Angeles, with a similar urban sprawl linked by huge highway interchanges.ohannesburg is the capital of Gauteng province (Pretoria, also in Gauteng, is the capital of the country). Also known as Joburg or Jozi, Johannesburg is the biggest city in South Africa, and is often compared to Los Angeles, with a similar urban sprawl linked by huge highway interchanges.