Sedentary

A sedentary lifestyle is a type of lifestyle with little or no physical activity. A person who lives a sedentary lifestyle may colloquially be known as a couch potato. A person living a sedentary lifestyle is often sitting or lying, while reading, socializing, watching television, playing video games, or using a mobile phone/computer for much of the day. 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.

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 5 hours 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 4 hours per day have a 40 percent higher risk than those that sit fewer than 4 hours per day. However, those that exercise at least 4 hours per week are as healthy as those that sit fewer than 4 hours per day.

A sedentary lifestyle and lack of physical activity can contribute to or be a risk factor for:

As a response to concerns over health and environmental issues, some organizations have promoted active travel, which seeks to promote walking and cycling as safe and attractive alternatives to motorized transport. Additionally, some organizations have implemented exercise classes at lunch, walking challenges among co-workers, or allowing employees to stand rather than sit at their desk during the workday. Workplace interventions such as alternative activity workstations, sit-stand desks, promotion of stair use are among measures being implemented to counter the harms of sedentary workplace environments. A Cochrane systematic review published in 2016 concluded that "at present there is very low quality evidence that sit-stand desks can reduce sitting at work at the short term. There is no evidence for other types of interventions." Also, evidence was lacking on the long term health benefits of such interventions. Organizations may also offer cholesterol or blood pressure screenings to employees.

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