NHS trial has been started in attempt to halt obesity epidemic
If it is a success, treatment could be widespread in five years
But there is unease over problem that could be solved by exercise and diet
Babies are being medicated in the womb in an attempt to prevent them from being born obese.
In a world first, dangerously overweight mothers-to-be in four British cities have started taking a diabetes drug during their pregnancy.
The [...]
