Sitting for More Than 30 Minutes at a Time Linked to Higher Cancer Death Risk

Sitting for More Than 30 Minutes at a Time Linked to Higher Cancer Death Risk

A large-scale longitudinal study has found a significant association between prolonged uninterrupted sedentary behavior during waking hours — exceeding 30 minutes at a stretch — and an elevated risk of dying from cancer.

Researchers followed more than 90,000 participants over ten years, finding that the longer a person remains continuously sedentary each day, the higher their cancer mortality risk. Specifically, every additional hour of uninterrupted sedentary time was associated with a further increase in that risk.

Regular Movement May Reduce the Risk

The research also offered an encouraging finding: breaking up sedentary periods with brief bouts of physical activity every 30 minutes appears to help counteract the cumulative risk. Even short actions such as standing up, walking around, or stretching may provide meaningful health benefits.

Implications for the General Public

The findings serve as a reminder — particularly for office workers and others who spend long hours seated — to build regular movement into their daily routines. Experts suggest setting reminders to get up and move for a few minutes every 30 minutes as a practical measure to reduce the long-term health risks associated with a sedentary lifestyle.

This study was reported by The Guardian; the original research was published in a peer-reviewed academic journal.

Sources: The Guardian / Slashdot

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