Second, if you continue working after you claim Social Security benefits at less than full retirement age, those benefits would be reduced if you earn over a certain amount. Until you reach full retirement age, Social Security would reduce your benefits by $1 for every $2 you earned over a set yearly limit. (In 2009, the limit is $14,160.) This limit applies only to income you earn from current work, not from any pensions, investments, or other sources of income not derived from work you are doing at the time.
The cause for warts is an infection with the Human Papilloma Virus (HPV). Skin cancer can be of various types. A Basal cell carcinoma would present as a smooth and pearly bump on skin areas which are exposed to sun a lot like face, shoulders or neck. The tumor breaks and bleeds often, looking like a non-healing wound.
Dear Reader, You are correct that warts are caused by a virus, but they're not tumors and they're not cancerous. Warts are caused by the human papillomavirus (HPV). There are at least 60 different forms of HPV that cause warts in various parts of the body. Warts are small bumps that are usually the color of your skin, though they can be slightly lighter or slightly darker.