Obesity surgery is the most effective way of preventing premature deaths from weight-related illnesses such as heart disease, diabetes and cancer, research finds

Obesity surgery eclipses weight loss wonder drugs like Wegovy when it comes to saving lives, research shows.

The slimming jabs are in short supply due to unprecedented demand from those eager to copy celebrity users including Sharon Osbourne and Oprah Winfrey.

But a new study reveals they…