<span>Obtaining informed consent and conducting research interviews is the answer
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<span>People with long term clilnical depression tend t have more heart diseases because the level of heart damaging chemicals in the blood are generally higher in depressed people. The correct option is C. These chemicals in the blood usually affect the heart negatively leading to various heart diseases.</span>
The average resting rate for a teenager is 50-60, while in moderate exercise it may rise to 100-140 beats per minute.