Minerva

Minerva

BMJ 2012; 344 doi: http://dx.doi.org/10.1136/bmj.e1768 (Published 14 March 2012) Cite this as: BMJ 2012;344:e1768

It’s a simple message: replacing calorie filled drinks with water or diet drinks achieves average weight losses of 2% to 2.5% over six months in overweight adults. Analysis of data from a randomised clinical trial identified a significant reduction in weight and waist circumference as well as a significant improvement in systolic blood pressure over the course of six months for the diet drink group. The diet drinkers were twice as likely as those in the control group (who continued drinking high calorie drinks) to achieve a 5% weight loss at six months (American Journal of Clinical Nutrition 2012;95:555-63, doi:10.3945/ajcn.111.026278).

Retinal haemorrhages are often seen in children who have sustained abusive head trauma, but could they also be caused by vigorous coughing? A prospective study of children aged 15 days to two years admitted to hospital with pertussis reports that none of the 35 had any signs of retinal bleeding. The researchers conclude that pertussis infections are unlikely to cause retinal bleeds in …

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