Breathlessness

Cycling in London can expose you to traffic pollution that irritates your airways and worsens existing lung conditions. Because you breathe more heavily during exercise, you may inhale a greater dose of pollutants. For most people, regular cycling still offers health benefits despite urban air pollution. The practical priorities are reducing exposure and recognising symptoms…

Tests for unexplained breathlessness often start with blood tests, an ECG, a chest X-ray and spirometry. Depending on the findings, further investigations may include detailed lung function tests, an echocardiogram or chest CT. Cardiopulmonary exercise testing (CPET) can help when symptoms remain unexplained, particularly during activity. You will not necessarily need every test. This guide…