Whilst it's a shocking sign of the times that ambulance bosses are having to spend a fortune on wider ambulances and bigger, stronger stretchers to ferry obese people to hospital...what about the paramedics?
If the obesity rate continues to rise as fast as it is, then surely ambulance crews are going to have to eventually become stronger or risk putting patient's lives at risk by being unable to carry the stretcher or doing themselves an injury?
Where does this leave all the more slightly built trained professionals? 
www.bbc.co.uk/news/health-12287880