Plantar Warts are growths which occur on the bottom of your feet and are very common. They are caused by the Human Papillomavirus which allows some skin cells to grow faster than others, thus causing a growth, called a wart. Plantar warts normally occur in children aged 12- 16, but anyone can get plantar warts.The HPV virus is normally contracted through a cut or scratch in the skin. It is therefore not advisable to pick or scratch a wart because the virus can reside under the fingernails and ca.