Spider Bites: While many spider bites might just appear to be the work of a mosquito, if you look close you may notice distinctive, red fang marks accompanied by redness, tenderness and shooting pain. That may mean you've encountered a black widow, the most common harmful spider in California.
The most significant cost increase occurred in treatment for people with melanoma, the deadliest type of skin cancer. The study found that the cost of treatment jumped 106 percent, rising from $2,320 annually to $4,789 annually.
The American Cancer Society estimates that at present, more than 135,000 new cases of melanoma in the US are diagnosed in a year. In 2015, an estimated 73,870 of these will be invasive melanomas, with about 42,670 in males and 31,200 in women.