Intended for healthcare professionals


Girls and boys go out to play . . . and other stories

BMJ 2017; 357 doi: (Published 06 April 2017) Cite this as: BMJ 2017;357:j1620

Sedentary at seven

Physical activity is supposed to decline at adolescence, especially in girls, we are told, but in the Gateshead Millennium Study in north east England the tipping age was much earlier (Br J Sports Med doi:10.1136/bjsports-2016-096933). The study used an Actigraph accelerometer over five to seven days at the ages of 7, 9, 12, and 15 years within a socioeconomically representative sample of 545 children. There was a universal decline in activity from the age of 7, with no evidence of a further dip at adolescence, or of a major difference between boys and girls.

Reflux cough: more to do with volume than acid

Chronic unexplained cough is often attributed to gastro-oesophageal reflux, but frequently fails to respond to proton pump inhibitors. This could be because the pH of reflux is less …

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