Studies demonstrate that sitting for long periods of time can be harmful to your health. Physiological harm arises from excessive sitting! Sitting also leads to adverse changes in your posture, which increases your risk of suffering from injuries and pain. As an accredited exercise physiologist, I educate clients about the strategies they can use to overcome the harmful impact of modern work environments, especially those that involve sitting at a desk (e.g., in front of a computer!) for long periods.
Watch the following TED video, which provides a great summary of the harmful impact that prolonged sitting has on your body: