Mouth ulcers, also known as canker sores, are painful lesions that develop inside the mouth, on the tongue, or along the inner cheeks. They can make eating, drinking, and even speaking uncomfortable.

“Our experiments on animals have shown that the gel is capable of sealing and speeding up the healing process for ulcers, and it can even fill perforations in the stomach or large intestine.

Common mouth ulcers, known as aphthous ulcers or canker sores, can bother us all. They’re normally only about 2-3mm in size but can be surprisingly painful. They occur when a patch of the ...