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A chronic condition (also known as chronic disease or chronic illness) is a health condition or disease that is persistent or otherwise long-lasting in its effects or a disease that comes with time. The term chronic is often applied when the course of the disease lasts for more than three months.
Sensory overload, [11] emotional distress, injury, sleep deprivation, infections, and spending too long standing or sitting up are other potential triggers. [6] The resulting symptoms are disproportionate to the triggering activity and are often debilitating, potentially rendering someone housebound or bedbound until they recover. [12] [6] [13] [4]
Prolonged standing increases the risk for hospitalization from varicose veins. [6] Among the working age population one out of five hospitalizations from varicose veins are as a result of prolonged standing. Prolonged standing leads to impeded blood flow and stasis in the veins in the lower limbs, which can cause varicose veins.
Orthostatic intolerance occurs in humans because standing upright is a fundamental stressor, so requires rapid and effective circulatory and neurologic compensations to maintain blood pressure, cerebral blood flow, and consciousness. When a human stands, about 750 ml of thoracic blood are abruptly translocated downward.
Fung CH, Hays RD. Prospects and challenges in using patient-reported outcomes in clinical practice. Quality of Life Research. 2008; 17: 1297–302. Doward LC, McKenna SP, Defining Patient-Reported Outcomes. Value in Health. 2004; 7(S1): S4-S8. Fayers P, Hays RD. (eds.) Assessing Quality of Life in Clinical Trials: Methods and Practice.
Melasma affects up to 33 percent of men and women. Read on to learn what causes the chronic skin condition and what you can do to keep it at bay.
Dr. Leana Wen: Norovirus is the leading cause of foodborne illness in the US. According to the CDC, it is responsible for 19 million to 21 million illnesses every year. It results in over 2.2 ...
For patients with long-standing hypertension, patient education on the importance of consistently taking prescribed medications and keeping blood pressure well-controlled is critical. [2] Additionally, future treatments may focus not only on blood pressure control but also the reduction of local inflammation that can lead to end organ damage. [4]