Sedentarianism Increases Risk Of Mortality

At Omics Longevity, we emphasise the importance of lifestyle choices in shaping long-term health. One behaviour that has drawn increasing attention is sedentarianism — spending large portions of the day sitting or inactive. Research shows that extended inactivity is not just a minor concern; it is strongly associated with an increased risk of mortality.

What Is Sedentarianism?

Sedentarianism refers to behaviours that involve low energy expenditure, typically while sitting or lying down. Examples include:

• Working long hours at a desk

• Extended TV watching or gaming sessions

• Long periods of driving or commuting

• Minimal daily physical activity

While rest has its place, too much inactivity can be damaging to health.

How Sedentary Behaviour Affects Health

Studies have linked prolonged sitting with:

• Increased cardiovascular risk (heart disease, stroke, high blood pressure)

• Higher likelihood of obesity and type 2 diabetes

• Reduced muscle strength and bone density

• Poor circulation, which can lead to blood clots

• Shortened lifespan overall

Even for people who exercise occasionally, sitting for most of the day may still raise health risks.

Why It Matters for Longevity

Movement is essential for maintaining vitality as we age. Sedentary habits accelerate biological ageing, increasing vulnerability to chronic disease and reducing both lifespan and healthspan.

At Omics Longevity, we view sedentary behaviour as a critical risk factor that can — and should — be addressed for anyone seeking to live longer and healthier.

Practical Steps to Reduce Sedentary Time

• Take a 5-minute standing or walking break every hour at work

• Use a standing desk or alternate between sitting and standing

• Incorporate short walks after meals to improve circulation and blood sugar control

• Engage in light stretching while watching TV or during phone calls

• Aim for at least 150 minutes of moderate physical activity per week

The Bottom Line

Sedentarianism is more than a lifestyle choice — it’s a major risk factor for early mortality. By making small adjustments to sit less and move more, you can significantly improve your long-term health.

At Omics Longevity, we encourage practical, sustainable steps that counteract sedentary habits and promote active ageing.