what are inside warts
About Warts. Warts are non-cancerous (benign) skin growths caused by viruses that develop on different parts of the body and can take on various forms. They are contagious and very common: Almost everyone has a wart at some point in their life.Warts can affect people at any age, but are most common among children and young people.iral warts are a common skin disease, most frequently affecting the hands and feet, caused by the human papilloma virus. While warts are not harmful and usually go away in time without any treatment, they can be unsightly and painful. Warts on the soles of the feet are also called 'plantar warts' or 'verrucas'.