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NORWAY MASSACRE SURVIVORS
Seventy seven people died as a result of the shocking events which took place in Norway on the 22 July 2011, and many more went through the trauma of witnessing the events. Mental health professionals are adopting a 鈥渨atch and wait鈥� approach. With evidence after 9/11 that rushing in hoards of counsellors might have hindered, rather than speeded recovery for some individuals, the thinking about offering everyone counselling after traumatic events has changed. In Norway survivors will be offered help, but only if they are still experiencing symptoms after a month. It is assumed that not everyone will need it. Jennifer Wild is a consultant clinical psychologist at Kings College London and trains staff in Norway to treat post traumatic stress disorder. She begins by telling Health Check which symptoms are typical two weeks on from an event like this.

OBESITY RISES IN EMERGING COUNTRIES
New figures from the World Health Organisation show that alongside a rapid rise in their GDP, emerging economies have also seen a steep increase in obesity levels. These countries, some of which have struggled to feed their people in the past, are now faced with the opposite problem and an unprecedented increase in diseases such as diabetes. As part of a special World Service season, Pablo Uchoa from 大象传媒 Brasil has been looking at the new data.

PORTABLE BLOOD TEST
The most reliable way to diagnose many diseases is through a blood test, which usually involves patients going to a clinic to have blood taken, then waiting while it is sent off to a lab for testing. This is not always easy in remote areas. Now a new credit card sized device called the mChip, can give you test results for multiple diseases within minutes, using just a pinprick of blood. It has been trialled in Rwanda and the results which have just been published in the journal Nature Medicine show that it is 95% accurate in diagnosing HIV and 76% accurate with syphilis. Dr Ruben Sahabo is the Rwanda country director for the International Center for Aids Care & Treatment Programs. Claudia Hammond speaks to him on the line from Kigali.