As we grow old our Lung capacity declines naturally, but Smoking kicks that aging process into gear much earlier, around the age of 25 to be more accurate. A 60 year old non-smoker has nearly 100% lung function, while a 60 year old smoker will have around 50%. As well as all the lung infections associated with smoking, such as asthma, pneumonia, bronchitis and lung cancer, this obviously has a knock on effect on your physical capability. To improve your fitness and be able to do the exercise to make you a stronger person, giving up smoking is essential. Without our lungs at full capacity our muscles aren’t getting the full amount of oxygen they need to work properly, so we get tired and exhausted much quicker. A study was …

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