Scientists are genuinely divided on this question.

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What the evidence found 3 findings
Based on 11 sources:
News Medical news View
PMC peer-reviewed View
ScienceDaily news View
PubMed peer-reviewed View
BMJ Group institutional View
Occupational Sitting and Health Risks - ResearchGate peer-reviewed View
Sleep duration and risk of all-cause mortality: a systematic review peer-reviewed View
British Journal of Sports Medicine peer-reviewed View
JAMA Internal Medicine peer-reviewed View
TCTMD news View
British Journal of Sports Medicine systematic review by Prince et al. (2008) peer-reviewed
Based on 10 sources:
Sedentary Lifestyle: Overview of Updated Evidence of Potential peer-reviewed View
Breaking Up Prolonged Sitting Reduces Postprandial Glucose and peer-reviewed View
PMC Article - Suppression of skeletal muscle lipoprotein lipase activity during physical inactivity peer-reviewed View
Research publication on lipoprotein lipase regulation peer-reviewed View
PubMed indexed study on skeletal muscle LPL activity peer-reviewed View
Springer Nature peer-reviewed View
Healthcare Bulletin Network Meta-Analysis peer-reviewed View
PubMed Systematic Review peer-reviewed View
PMC article on physical activity effects on insulin sensitivity peer-reviewed View
PMC article on exercise and insulin sensitivity peer-reviewed View
Based on 14 sources:
PMC research article on physical activity breaks during prolonged sitting peer-reviewed View
PMC review on blood flow regulation during exercise peer-reviewed View
SFU dissertation on cardio-postural deconditioning institutional View
Acute Effects of Prolonged Sitting on Hemodynamics institutional View
Acute Physiological Responses to Prolonged Sedentary Behavior peer-reviewed View
Prolonged sitting and peripheral vascular function - PMC - NIH peer-reviewed View
PMC Article peer-reviewed View
JAMA Network Open peer-reviewed View
PMC Article peer-reviewed View
PMC (PubMed Central) peer-reviewed View
PubMed peer-reviewed View
PMC - NIH peer-reviewed View
PMC - NIH peer-reviewed View
Healthcare Bulletin peer-reviewed View
What research hasn't answered 4 gaps
News Medical news View
PMC peer-reviewed View
ScienceDaily news View
PubMed peer-reviewed View
BMJ Group institutional View
News Medical news View
PMC peer-reviewed View
ScienceDaily news View
PubMed peer-reviewed View
BMJ Group institutional View
News Medical news View
PMC peer-reviewed View
ScienceDaily news View
PubMed peer-reviewed View
BMJ Group institutional View
News Medical news View
PMC peer-reviewed View
ScienceDaily news View
PubMed peer-reviewed View
BMJ Group institutional View
Sources 21 findings
argumentation Unknown
argumentation Unknown
argumentation Unknown
2020 tree-leaf argumentation
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tree-leaf argumentation
tree-leaf argumentation
tree-leaf argumentation
tree-leaf argumentation
tree-leaf argumentation
2020 Ekelund · British Journal of Sports Medicine argumentation
tree-leaf argumentation
tree-leaf argumentation
tree-leaf argumentation
tree-leaf argumentation
tree-leaf argumentation
argumentation Unknown
argumentation Unknown
argumentation Unknown
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Generated by reaso.ai's editorial pipeline: claim restated, scientific consensus classified via 3-run majority vote, 21 findings enriched with attribution and study type, narrative written in neutral voice. No individual researcher has signed off on this specific analysis — see methodology for how the pipeline works. Built with Claude Sonnet by Anthropic. Updated April 18, 2026. How we do this →

Written by AI. Sources are linked for verification.