Smokers, who are exposed to secondhand smoke, evokes craving to the smoker according study funded by the National Institute on Drug Abuse, part of the National Institutes of Health. The same thing happens to both smokers and nonsmokers when exposed to secondhand smoke for an hour.
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There are five areas of health related fitness. They are heart and lung endurance or cardiovascular endurance, muscular strength, muscular endurance, flexibility, and body composition. Heart and lung endurance or cardiovascular endurance is the ability to exercise the entire body for long periods of time.