Letters Every step you take Physical activity differs with sex and age BMJ 2019; 366 doi: https://doi.org/10.1136/bmj.l5694 (Published 30 September 2019) Cite this as: BMJ 2019;366:l5694 Article Related content Metrics Responses Peer review Related articles Research Dose-response associations between accelerometry measured physical activity and sedentary time and all cause mortality: systematic review and harmonised meta-analysis Published: 21 August 2019; BMJ 366 doi:10.1136/bmj.l4570 Letter Current physical activity guidance is misinterpreted Published: 14 September 2016; BMJ 354 doi:10.1136/bmj.i4811 Letter Authors’ reply to Johnson Published: 30 September 2019; BMJ 366 doi:10.1136/bmj.l5715 See more Introductory Address Prov Med Surg J October 03, 1840, s1-1 (1) 1-4; DOI: https://doi.org/10.1136/bmj.s1-1.1.1 Report of the Meeting of the Eastern Branch of the Provincial Association at Bury St. Edmond's Prov Med Surg J October 03, 1840, s1-1 (1) 10-13; DOI: https://doi.org/10.1136/bmj.s1-1.1.10 Mr. Warburton's Bill for the Regulation of the Medical Profession Prov Med Surg J October 03, 1840, s1-1 (1) 13-15; DOI: https://doi.org/10.1136/bmj.s1-1.1.13 An Atlas of Plates, illustrative of the Principles and Practice of Obstetric Medicine and Surgery, with descriptive Letterpress Prov Med Surg J October 03, 1840, s1-1 (1) 4; DOI: https://doi.org/10.1136/bmj.s1-1.1.4 A Practical Treatise on the Diseases peculiar to Women, illustrated by Cases, &c Prov Med Surg J October 03, 1840, s1-1 (1) 4-5; DOI: https://doi.org/10.1136/bmj.s1-1.1.4-a Cited by... Authors reply to JohnsonFulltext PDF