Person B is more likely to die early. Sitting is correlated with bad health, independent of your diet and amount of exercise. http://www.ncbi.nlm.nih.gov/pubme

Person B is more likely to die early. Sitting is correlated with bad health, independent of your diet and amount of exercise. http://www.ncbi.nlm.nih.gov/pubmed/22218159 http://www.ncbi.nlm.nih.gov/pubmed/22218159 Now, I'd love to see a randomized trial over a long time period to find out whether sitting actually causes bad health, or is just correlated.