The growing trend of extended sitting, particularly among young individuals, has raised alarms among health professionals regarding its potential impact on vascular health. Recent discussions at the VSI-ASVS 2026 Conference in New Delhi highlighted that sedentary activities, such as gaming and binge-watching, can have serious health implications. Experts noted that while these activities may seem innocuous, prolonged periods of inactivity could increase the risk of conditions like deep vein thrombosis (DVT).

Vascular specialists have increasingly focused on the dangers of extended sitting as the prevalence of gaming and online entertainment rises. Although DVT is commonly associated with older individuals, inactivity could also affect younger, otherwise healthy populations. The potential danger arises when prolonged inactivity leads to slow blood flow, which can cause clots to form.

During the conference, it was emphasised that while these leisure activities do not directly cause blood clots, they may serve as additional risk factors, particularly in individuals with pre-existing conditions such as obesity, dehydration, or clotting disorders. Thus, it is essential to recognise the implications of extended periods of sitting, especially within the context of modern lifestyles.

Research Findings on Sedentary Behaviour

Supporting the concerns regarding sedentary behaviour, a comprehensive meta-analysis published in 2024 in Scientific Reports demonstrated that individuals with high levels of inactivity had a significantly elevated risk of venous thromboembolism (VTE). The study suggested that those exhibiting the highest sedentary levels experienced an approximate 24 per cent increased risk compared to their more active counterparts.

Furthermore, the analysis indicated that for every additional hour spent in a sedentary position daily, the risk of VTE escalates by two per cent. Notably, this relationship persisted irrespective of physical activity levels, implying that engaging in exercise cannot fully mitigate the adverse effects of prolonged sitting.

Dr Tapish Sahu, Organising Secretary of the conference, pointed out the importance of incorporating movement into daily routines. He described the role of calf muscles in venous blood return and highlighted the necessity of ensuring that young people take regular breaks during long sessions of gaming or streaming.

Link to Adolescent Health Issues

Recent studies focusing on adolescents have drawn attention to the correlation between extensive screen time and increased thrombosis cases. One investigation identified 11 adolescents diagnosed with thrombosis, each of whom reported daily screen exposure exceeding four hours. The average duration of uninterrupted immobility for these individuals was around 2.7 hours.

The study revealed that out of the 11 patients, eight were diagnosed with DVT in their lower extremities, while others experienced pulmonary embolism or related complications. Notably, many individuals in the study also had inherited conditions that predispose them to blood clotting.

This research does not confirm that screen time is the direct cause of blood clots. Instead, it suggests that a lack of movement might exacerbate existing vulnerabilities, which highlights the necessity for young people to manage their sedentary time more effectively.

Encouraging Active Lifestyles

Health professionals recommend that young individuals do not need to eliminate gaming or streaming from their lives entirely, but they should integrate movement into these activities. Taking breaks to stand, walk, or stretch during prolonged sitting can significantly reduce the risks associated with inactivity.

Ultimately, the aim is to encourage a more dynamic lifestyle where regular exercise complements daily activities. Although the message stresses the importance of movement, the potential hazards of extended periods of sitting require increasing awareness. As screen-related activities continue to dominate daily routines, tackling this issue is vital for promoting better health among younger populations.

In conclusion, while physical activity remains crucial, understanding the risks tied to extended sitting is equally important. This dual focus can play a significant role in safeguarding vascular health.

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