50 Free Resources That Will Improve Your Writing Skills. Effective writing skills are to a writer what petrol is to a car. Like the petrol and car relationship, without solid skills writers cannot move ahead. These skills donât come overnight, and they require patience and determination. You have to work smart and hard to acquire them.
Canker sore. Canker sores, also called aphthous ulcers, are small, shallow lesions that develop on the soft tissues in your mouth or at the base of your gums.Unlike cold sores, canker sores don't occur on the surface of your lips and they aren't contagious. They can be painful, however, and can make eating and talking difficult.anker sores, also called aphthous ulcers, are small, shallow lesions that develop on the soft tissues in your mouth or at the base of your gums.
Aphthous ulcers that are larger than 10 mm in diameter are diagnosed as major ulcerations. They are more common in young adults, can take several weeks or more to heal, and may cause scarring on the cheeks, tongue, or lips. The most severe type of canker sore is the herpetiform ulceration.