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Vitamin C supplementation prevents increases in endurance capacity and maximum oxygen uptake, because it prevents some cellular adaptations to exercise.
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Imaging procedures are an important source of exposure to ionizing radiation in the United States and can result in high cumulative effective doses of radiation.
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Remember the principle of homeostasis from first-year physiology the idea that the human body has self-regulating processes to maintain a desirable internal state? What were we taught to do when disease disrupted the self-regulating processes, and physiologic parameters were abnormal? Use medical treatments to restore them to normal values. Well, now we know that this may not be the best way to enhance survival.
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The Advanced Trauma Life Support (ATLS) course for doctors was introduced in Nebraska in 1978 and given nationally for the first time in 1980 by the American College of Surgeons. The goal of ATLS is to serve as a safe and reliable method for managing patients with traumatic injury and provide a "common baseline for the continued innovation and challenge of existing paradigms in trauma care."
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The ECG in the Figure above was obtained from a 45-year-old woman without previous health care, who presented to the office with heart failure. There were no previous records, and no prior tracing available for comparison. How would you interpret her ECG? Is there left ventricular hypertrophy (LVH)?
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Vertebroplasty (VERT) has recently enjoyed increased popularity as treatment for painful osteoporotic vertebral fractures.
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Adherence to appropriate low-risk dietary and other lifestyle factor changes was associated with significant reductions in the incidence of self-reported hypertension and could have the potential to prevent a large proportion of new onset hypertension in women.
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For patients with colorectal cancer whose tumors overexpressed COX-2, regular aspirin use was associated with a lower risk of death related to colorectal cancer for about 12 years after initial diagnosis.