Gastroenterologist invents injection pill

A US gastroenterologist and his team are making progress with a needle-coated capsule that could one day do away with the need for insulin and other types of injection.

So far the US team have used their invention in pigs, finding no harmful side effects as the capsule passes through the digestive system and showing that it delivers insulin more efficiently than traditional injections.

"This could be a way that the patient can circumvent the need to have an infusion or subcutaneous administration of a drug," says gastroenterologist Dr Giovanni