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| | | | Do you have high blood pressure or take medication for high blood pressure? |  |
| | Do you smoke or have a long history of smoking? |  |
| | Do you consume an excessive amount of stimulants such as caffeine? |  |
| | Do you have an overactive thyroid? |  |
| | Do you experience periods of extreme stress or fatigue? |  |
| | Do you have heart disease (valve problems, history of heart attack, heart surgery)? |  |
| | Do you have chronic lung disease? |  |
| | Are you over the age of 40? |  |
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