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.
Each year, more than 68,000Americans are diagnosed with melanoma, and another48,000 are diagnosed with an early form of the diseasethat involves only the top layer of skin. Also, morethan 2 million people are treated for basal cell orsquamous cell skin cancer each year.