Fancy swallowing a gastric balloon?

Gastric balloons were the big story last week. I was just setting off for a couple of days away (January 21st 2014) when Sky News caught my eye. What should have been a news item was in fact an advert for Spire Healthcare in Bristol, as a slim woman sat next to her PC with her screen saver advertising the business she worked for while describing this new option for overweight people. By the end of...