By Diana Bruk

There’s no doubt that GLP-1 drugs like Ozempic have been revolutionary — although the benefits do sometimes come with some unsightly downsides such as tooth decay, a droopy face or mouth, a saggy butt and hair loss.

Then there are the more common side effects, like icky gastrointestinal issues, that are at best unpleasant.

Now, a UK regulator is shining on a light on side effects that are much more serious — and even potentially deadly.