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
Shortness of breath can also have other causes including: 1  Anemia. 2  Dehydration (loss of body fluids and electrolytes, which can be life threatening when severe and untreated). 3  Diabetic ketoacidosis (life-threatening complication of diabetes). 4  Electrolyte imbalance. 5  Fluid overload. 6  Hyperventilation. 7  Kidney or liver failure. 8  Obesity.
A multitude of conditions can cause shortness of breath. However, the most common causes of severe breathing problems include: Infection of the lungs, such as bronchitis, pneumonia, and tuberculosis. Asthma. COPD. Heart failure. Elevated blood pressure in the brain due to tumor, stroke, or bleeding.