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A sedentary lifestyle is a type of lifestyle with no or irregular physical activity. A person who lives a sedentary lifestyle may colloquially be known as a slob or couch potato. It is commonly found in both the developed and developing world. Sedentary activities include sitting, reading, watching television, playing video games, and computer use for much of the day with little or no vigorous physical exercise. A sedentary lifestyle can contribute to many preventable causes of death. ''Screen time'' is the amount of time a person spends watching a screen such as a television, computer monitor, or mobile device. Excessive screen time is linked to negative health consequences. ==Health effects== A lack of physical activity is one of the leading causes of preventable death worldwide. Sitting still may cause premature death. The risk is higher among those that sit still more than per day. It is shown to be a risk factor on its own independent of hard exercise and BMI. The more still, the higher risk of chronic diseases. People that sit still more than per day have a higher risk than those that sit fewer than per day. However, those that exercise at least per week are as healthy as those that sit fewer than per day.〔(smh.com.au - Sitting can lead to an early death: study ), 2012-03-28〕〔(ama-assn.org - New Exercise Prescription: Don't Just Sit There: Stand Up and Move More, More Often ), David W. Dunstan, PhD; Neville Owen, PhD, Arch Intern Med. 2012;172(6):500-501. doi:10.1001/archinternmed.2012.209, 2012-03-26〕 A sedentary lifestyle and lack of physical activity can contribute to or be a risk factor for: * Anxiety〔(【引用サイトリンク】publisher = World Health Organization )〕〔(【引用サイトリンク】 publisher = Mayo Clinic )〕 * Cardiovascular disease〔(【引用サイトリンク】 publisher = United States Department of Veterans Affairs )〕〔(【引用サイトリンク】publisher = World Health Organization )〕 * Colon cancer〔 * Depression〔〔 * Diabetes〔 * High blood pressure〔〔(【引用サイトリンク】publisher = National Institutes of Health )〕 * Lipid disorders〔 *Mortality in adults * Obesity〔(【引用サイトリンク】publisher = Centers for Disease Control and Prevention )〕〔(【引用サイトリンク】 publisher = Office of the Surgeon General )〕 * Osteoporosis〔 * Spinal disc herniation (Low back pain)〔(Natural course and prognosis of intervertebral disc diseases ). International Society for the Study of the Lumbar Spine, Seattle, Washington, June 1994. 〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Sedentary lifestyle」の詳細全文を読む スポンサード リンク
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