SMOKERS should quit to be fit this Ash Wednesday because being active is a lot harder after pulling on a cigarette, the Irish Cancer Society has warned.Research also shows smokers are less likely to participate in sports and physical activity because of the extra effort involved.
When active, smokers are more easily exhausted, suffer shortness of breath, have reduced endurance and physical performance.
The society's health promotion manager, Norma Cronin, has given a graphic description of how smoking just one cigarette can immediately affect physical capability.
Performance is impaired because the inhaled carbon monoxide binds to red blood cells, displacing oxygen and preventing its delivery to muscle cells.
Smoking also constricts blood vessels that prevents the proper redistribution of blood and oxygen to the muscles during exercise.
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