London's ancient core, the City of London, largely retains its 1.12-square-mile (2.9 km 2) medieval boundaries and in 2011 had a resident population of 7,375, making it the smallest city in England. Since at least the 19th century, the term London has also referred to the metropolis developed around this core.ondon has a temperate oceanic climate (Koeppen: KÃ¶ppen), cfb similar to all of Southern. Britain despite its reputation as being a rainy, City london receives less (precipitation 601 (mm 24) in in a), year Than, Rome, Bordeaux, Toulouse naples and Even sydney In, australia but those are spread over more. days
Causes. Dyspnea is usually caused by disorders of the lungs or heart (see Table: Some Causes and Features of Shortness of Breath). The most common causes overall include. Asthma. Pneumonia. Chronic obstructive pulmonary disease (COPD).
Back to TopCauses. Shortness of breath has many different causes. For example, heart disease can cause breathlessness if your heart is unable to pump enough blood to supply oxygen to your body. If your brain, muscles, or other body organs do not get enough oxygen, a sense of breathlessness may occur. Breathing difficulty may also be due to problems with the lungs, airways, or other health problems. Problems with the lungs: Blood clot in the arteries of the lungs (pulmonary embolism)